Some pre-school children go to a day care center, __________ they learn simple games and songs.

A. then          B. there              C. while         D. where

The manager suggested an earlier date ____________ the meeting.

A. on           B. for              C. about            D. with

---It’s a long time since I saw my sister.                   

---_______________ her this weekend?

A. Why not visit                   B. why not to visit

C. Why not visiting                 D. Why don’t visit

---The last one ____________ pays the meal.    非谓语动词

---Agreed!

A. arrived       B. arrives         C. to arrive          D. arriving

I won’t call you, ________ something unexpected happens.

A. unless       B. whether         C. because         D. while

---How’s your tour around the North Lake? Is it beautiful? 

---It ________ be, but it is now heavily polluted.

A. will         B. would        C. should       D. must

We all know that, __________, the situation will get worse.

A. not if dealt carefully with         B. if not carefully dealt with

C. if dealt not carefully with         D. not if carefully dealt with

I smell something __________ in the kitchen. Can I call you back in a minute?

A. burning     B. burnt        C. being burnt      D. to be burnt

Does this meal cost $50? I __________ something far better than this!

A. prefer       B. expect       C. suggest        D. suppose

Between the two generations, it is often not their age, _________ their education that causes

misunderstanding.

A. like         B. as          C. or            D. but