They must have been here the day before yesterday,＿＿＿＿?
A．mustn’t theyB．didn’t they C．mustn’t have theyD．had they
B
must have done表示對過去發(fā)生情況的肯定推測，句中帶有明確的過去時(shí)間狀語，故附加疑問句用“didn’t they”。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

He _______ more visits to his parents.He has been regretting not doing so since they passed away.
A．should pay?
B．would pay?
C．should have paid?
D．would have paid?

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

--- I’m sorry. I ___________ at you the other day.
--- Forget it. I was a bit out of control myself.
A．shouldn’t shoutB．shouldn’t have shouted
C．mustn’t shoutD．mustn’t have shouted

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

＿＿＿＿＿h(yuǎn)e come, the problem would be settled.
A．WouldB．ShouldC．ShallD．If

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

When a pencil is partly in a glass of water, it looks as if ＿＿＿＿.
A．breaksB．has broken C．were brokenD．had been broken

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The traffic light is red, so I＿＿＿＿＿＿stop my car.
A．mustB．have toC．canD．mustn’t

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—— Must I take a bus ?
—— No, you＿＿＿＿. You can walk from here.
A．must notB．don’t C．don’t have toD．had better not to

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

--Where is Xiao Wang?
--I don't know. He__________ be in the library.
A．canB．mustC．mightD．may

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Oh, Janne, you’ve broken another glass. You ought ＿＿＿＿when you washed it.
A．be carefulB．to care C．have caredD．to have been careful

查看答案和解析>>

同步練習(xí)冊答案