Not until ____ finished my homework ___ to watch TV.
| A．I had; I began | B．had I; I began | C．I had; did I begin | D．had I; did I begin |
----Did you see the manager in the office?
----Yes. He _______ by a journalist from China Daily.
| A．had been interviewed | B．interviewed |
| C．has interviewed | D．was being interviewed |
______ twice a year, whether it is a car, a bus or a truck, is the rule that every driver must obey in this city.
| A．Examing | B．Examined | C．Being examined | D．Having been examined |
Children should be instructed to put things _____ they belong in their early childhood.
| A．where | B．in which | C．to which | D．what |
Without Sir Tim, the father of www, keeping up with the latest ______ so convenient.
| A．would be | B．wouldn’t be | C．would have been | D．wouldn’t have been |
Out of the crowded bus _______, who was dressed in a black suit and waved to a woman.
| A．a tall man in his thirties stepped | B．stepped a tall man in his thirties |
| C．did a tall man in his thirties step | D．did a tall man step in his thirties |