Yesterday afternoon, I ______ basketball with my classmates for two hours.
| A．play | B．played | C．have played | D．had played |
The manager told us that very little ____ was made of the waste material in the past.
| A．cost | B．value | C．use | D．Matter |
______ I explained on the phone, your request will be considered at the next meeting.
| A．When | B．After | C．As | D．Since |
If you want to visit the museum, I recommend ___________ there by underground.
| A．you to go | B．going | C．you went | D．to going |
He is going into hospital to have a small __________ her knee.
| A．operate on | B．operation for | C．operation to | D．operation on |
___ in experience, she didn’t manage to pass the interview.
| A．Lack | B．Lack of | C．For lack of | D．Lacking |