Andy was crying in his room just now，but he wouldn’t tell me_______ made him so sad.
| A．why it was that | B．why was it that | C．what it was that | D．what was it that |
Everyone hopes that we can do something to make things better, so we can't help ______ under the stress.
| A．but working | B．but to work | C．work | D．but work |
You ______ be driven out of the school if you dare to cheat in the exam.
| A．should | B．would | C．will | D．shall |
On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
| A．to seeing | B．to see | C．seeing | D．to have seen |
We hadn't met for 20 years, but I recognized her_____ I saw her.
| A．the moment | B．for the moment |
| C．the moment when | D．at the moment when |
________evidence that language acquiring ability must be stimulated.
| A．If being | B．It is | C．There is | D．There being |