—I’m tired because I studied until midnight last night.

—Why not go to sleep ________ this evening?

A. late B. later C. early D. earlier

D 【解析】句意：——我累了，因?yàn)槲易蛲韺W(xué)習(xí)到深夜�！�—今晚為什么不早點(diǎn)睡覺(jué)呢？考查比較級(jí)辨析題。根據(jù)句意語(yǔ)境，可知是this evening和last night進(jìn)行比較；go to sleep上床睡覺(jué)，動(dòng)詞短語(yǔ)需用副詞修飾；應(yīng)該用副詞比較級(jí)，可排除AC選項(xiàng)。而later不合句意，故選D。

—I ________ you at seven and you didn’t pick up.

—I was taking a shower at that time.

A. call B. called C. am calling D. have called

B 【解析】句意：——我七點(diǎn)鐘打電話給你，你沒(méi)接�！�—那時(shí)我正在洗澡。考查動(dòng)詞時(shí)態(tài)辨析題。and連接并列結(jié)構(gòu)，at seven在七點(diǎn)鐘，是過(guò)去的時(shí)間，需用一般過(guò)去時(shí)，可排除ACD三項(xiàng)。根據(jù)句意語(yǔ)境，可知選B。

I often help mum ________ the housework because I think it’s good for me.

A. with B. in C. on D. of

A 【解析】句意：我經(jīng)常幫助媽媽做家務(wù)，因?yàn)槲艺J(rèn)為這對(duì)我有好處�？疾榻樵~辨析題。help sb. with sth.幫助某人做某事，固定短語(yǔ)。根據(jù)句意語(yǔ)境，可知選A。

—Have you decided what you would like to make for our party?

—Yes, a delicious cake. In fact, I ________ making it.

A. finish B. am finishing C. finished D. have finished

D 【解析】句意：——你決定為我們的聚會(huì)做什么了嗎？——是的，（做）一個(gè)美味的蛋糕。事實(shí)上，我已經(jīng)完成了。考查動(dòng)詞時(shí)態(tài)辨析題。in fact事實(shí)上；根據(jù)句意語(yǔ)境，可知用現(xiàn)在完成時(shí)，故選D。

—________ books did you sell last Sunday?

—About 100.

A. How many B. How much C. How heavy D. How long

A 【解析】句意：——上星期日你賣了多少本書(shū)？——大約100本。考查疑問(wèn)詞辨析題。A. How many多少，問(wèn)數(shù)量；B. How much多少，問(wèn)價(jià)格/數(shù)量；C. How heavy多重，問(wèn)重量；D. How long多長(zhǎng)，問(wèn)長(zhǎng)度或時(shí)間。根據(jù)答語(yǔ)About 100.，可知問(wèn)的是數(shù)量，可排除CD選項(xiàng)。AB都可以問(wèn)數(shù)量，但how much后接不可數(shù)名詞，books是復(fù)數(shù)名詞，故選A。 ...

Scott has just got a new job. He ________ at a radio station next week.

A. works B. worked C. will work D. is working

C 【解析】句意：史葛剛剛找到一份新工作。下周他將在一個(gè)廣播電臺(tái)工作�？疾閯�(dòng)詞時(shí)態(tài)辨析題。next week下個(gè)星期，用于一般將來(lái)時(shí)，可排除ABD三個(gè)選項(xiàng)。根據(jù)句意語(yǔ)境，可知選C。

The stories in this book may be old, _________ they’re still interesting.

A. so B. and C. or D. but

D 【解析】句意：這本書(shū)的故事可能很古老，但它們?nèi)匀缓苡腥��？疾檫B詞辨析題。A. so所以，表因果；B. and和，表并列；C. or或者，表選擇；D. but但是，表轉(zhuǎn)折。根據(jù)句意語(yǔ)境，可知本句前后是轉(zhuǎn)折關(guān)系，故選D。

—I’m going to town. Would you like to join me?

—Sorry, I ________. I still have lots of homework to do.

A. can B. can’t C. must D. needn’t

B 【解析】句意：——我要進(jìn)城去。你愿意和我一起去嗎？——對(duì)不起，我不能。我還有很多作業(yè)要做�？疾榍閼B(tài)動(dòng)詞辨析題。A. can能夠/可以，表示允許；B. can’t不能，表示拒絕；C. must必須，一定；D. needn’t不必，指沒(méi)必要。根據(jù)下文I still have lots of homework to do.，可知是否定回答，故選B。

The plants must________ every three days, or they will fail to grow.

A. water B. watering C. be watered D. watered

C 【解析】句意：這些植物必須每三天澆一次水，否則它們就不能生長(zhǎng)�？疾楸粍�(dòng)語(yǔ)態(tài)。must一定，情態(tài)動(dòng)詞后接原形動(dòng)詞。plants是動(dòng)詞water（澆水）的受動(dòng)者，需用被動(dòng)語(yǔ)態(tài)，即“be+過(guò)去分詞”結(jié)構(gòu)。根據(jù)句意結(jié)構(gòu)和語(yǔ)境，可知選C。

—Could you tell me ________ back from her hometown?

—Yes. She’ll be back this Sunday.

A. when Alice came B. when did Alice come

C. when Alice will come D. when will Alice come

C 【解析】句意：——你能告訴我愛(ài)麗絲什么時(shí)候從家鄉(xiāng)回來(lái)嗎？——是的。她這個(gè)星期日回來(lái)�？疾橘e語(yǔ)從句。賓語(yǔ)從句，需用陳述句語(yǔ)序，BD是疑問(wèn)語(yǔ)序，可排除。根據(jù)答語(yǔ)She’ll be back this Sunday.，結(jié)合句意語(yǔ)境，可知用一般將來(lái)時(shí)，故選C。