1. 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

2. You _____ be driven out of the school if you dare to cheat in the exam.

A. should B. would C. will D. shall

3. 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

參考答案及解析：

1. B。look forward to doing sth. / sth. 表示“盼望做某事”，而look forward to do sth. 表示“向前看”，表目的（要做……）。故答案為B。

2. D。shall用于第二、三人稱表示說話人的心愿；will表示主語的心愿。故答案為D。

3. D。can’t help but do …相當(dāng)于 have to do … 表示“不得不做某事”。故答案為D。