______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
| A．To wait | B．Have waited |
| C．Having waited | D．To have waited |
–Jane, where is the chocolate? Did you eat it all?
--Yes, I did. It was so yummy, I couldn’t _____ it.
| A．abandon | B．control | C．stop | D．help |
About 3.000 Chinese students will go to universities in America this year, plus 200 who _____ earlier for graduate and postgraduate studies.
| A．admit | B．are admitted |
| C．have been admitted | D．had been admitted |
Don’t fall for the advertisement. In the beginning, you may lose some weight, but after awhile you will end up back ______ you started.
| A．as if | B．where |
| C．even if | D．when |
—I’ve locked the keys in the house.
—_______ I have a set in reserve here.
| A．No doubt. | B．No wonder. |
| C．No offence. | D．No matter. |
Johnsons _______ a good pilot but his drinking habit was his weak point.
| A．would have made | B．would make |
| C．should have made | D．should make |