If it was not an accident, he must have done it .
| A．on purpose | B．in common | C．on occasion | D．in time |
——When did it begin to snow?
——It started ________the night.
| A．during | B．by | C．in | D．at |
My daughter________ hard for more than one year to realize her dream joining the Party and now her dream comes true.
| A．works | B．is working . | C．has worked. | D．worked |
________a US visitor visa twice , the young man finally gave up his hope of
going to America to Christmas Day.
| A．Having been refused | B．Being refused |
| C．Having refused | D．To be refused |
“Do you mind if I look at your notes?”
“Of course not .______”
| A．No problem | B．Be my guest | C．With pleasure | D．Not at all |
________eastward,________ you’ll pass mountains and thousands of lakes and forests.
| A．Going;\ | B．If you go, and | C．Going; and | D．To; and |