The policeman asked the child ________ cross the street ________ the traffic lights turned green.
| A．not, when | B．not to, until |
| C．didn't, before | D．not to, after |
The pen I________I________is on my desk．
| A．think；lost |
| B．thought；had lost |
| C．think；had lost |
| D．thought；have lost |
________got into the room________the telephone rang．
| A．He hardly had；then |
| B．Hardly had he；when |
| C．He had not；that |
| D．Not had he；when |
Tom was disappointed because most of the guests________when he________at the party．
| A．left；had arrived |
| B．left；arrived |
| C．had left；had arrived |
| D．had left；arrived |
—Why did you miss the English class?
—Because my alarm clock didn’t________．
| A．go off |
| B．put off |
| C．take off |
| D．fall off |
—Why are you late again?
—I overslept，and________I got to the bus stop，the bus had left．
| A．after |
| B．while |
| C．by the time |
| D．at time |