I＿＿＿＿＿＿often go fishing when I lived in the countryside.

A. should     B. would     C. could     D. might

—Excuse me, sir. Which cup is yours? —________ small one.

A. /           B. A          C. An           D. The

Only when __________________ permission _______________ allowed to enter the lab.

A. a teacher has given; are the students  B. has a teacher given; are the students.

C. has a teacher given; the students are  D. a teacher has given; the students are

----Could you _____ take care of my cat while I’m away?

----Sure. Leave it to me, please.

A. perhaps         B. possibly            C. maybe           D. probably

To master a foreign language,______.

          A. a lot of practice is needed     B. it needs a lot of practice

          C. practice is in need of  D. one needs a lot of practice

Our father often told us in the past that _____is believing.

          A. to see       B. seeing      C. see      D. to be seen

I can’t say which wine is best—it’s a(n) __________ of personal taste.

A. affair  B. event

C. matter D. variety

—What are you going to do this afternoon？  —I'm thinking of _____ to visit my aunt．

A．go          B．going        C．to go        D．to going

The guide told us that he would organize some business men abroad＿＿＿next week.

A. some time     B. sometime  C. some times     D. sometimes

Such a problem is＿＿＿＿difficult for a primary school student ＿＿＿.

A. so； to work     B. very too； to work out

C. rather too； to work out     D. quite too； to answer