Điền dạng đúng của động từ

1. When the guard _______________ (pass) by the storeroom, he happened to see a thief _______________ (hide) there.

2.   I’d better _______________ (hurry). It’s nearly 8 o’clock. I’m supposed _______________ (meet) her at 8:10.

3.   I’d rather you _______________ (not tell) anyone what I _______________ (tell) you.

4.   He _______________ (have) his car _______________ (service) before we went on a holiday.

5.   If she wins the prize, it _______________ (be) because she _______________ (write) very well.

6.   I wonder who _______________ (carry) the piano upstairs, I suppose it was Paul. He _______________ (cannot carry) it by himself, someone _______________ (must help).