My sister studies hard．She always goes to school ______ she catches a cold．
| A．even if | B．as if | C．only if | D．as though |
—What were you doing when Tom came to see you?
—I________on my overcoat and________to visit a friend of mine.
| A．have just put; leaving |
| B．was put; was left |
| C．had just put; was leaving |
| D．was putting; left |
The pupils here________all kinds of exercises every day in the past four weeks.
| A．kept busy doing |
| B．keep on doing |
| C．have kept busy doing |
| D．have been kept busy doing |
I applied for one right away and it should________in two weeks.
| A．be arriving |
| B．arrive |
| C．be arrived |
| D．arrived |
I ran into a stranger as he passed by, “Oh, excuse me, please”was my reply. He said“Please excuse me too, I________for you”
| A．wasn't watching |
| B．hadn't watch |
| C．am not watching |
| D．don't watch |
A great man of science sitting in the wheelchair, Stephen Hawking________from a serious disease for nearly forty years.
| A．had suffered |
| B．has suffered |
| C．suffered |
| D．has been suffered |