I was feeling left out in the new school ________Alice, an easygoing girl from Canada, came to stay with me.
| A．if | B．once | C．when | D．unless |
It was John who broke the window. Why are you talking to me as if Iit?
| A． | had done | B． | have done | C． | did | D． | am doing |
--- Is it true that Mike refused an offer from Yale University yesterday?
--- Yeah, but I have no idea _______ he did it; that’s one of his favorite universities.
| A．when | B．why | C．that | D．how |
Group activities will be organized after class _______ children develop team spirit.
| A．helping | B．having helped | C．helped | D．to help |
--- I spent two weeks in London last summer.
--- Then you must have visited the British Museum during your stay,you?
| A． | mustn't | B． | haven't | C． | didn't | D． | hadn't |
We'll reach the sales targets in a monthwe set at the beginning of the year.
| A． | which | B． | where | C． | when | D． | what |