—________ you leave now? You only arrived an hour ago!
—Sorry, but so much homework is waiting for me.
| A．Must | B．May |
| C．Can | D．Might |
The building around the corner caught fire last night. The police are now____ the matter.
| A．looking up | B．looking out | C．looking into | D．looking for |
The man who was being followed stopped from time to time ____ he wanted to tie his shoelaces.
| A．as if | B．like | C．what | D．as |
He was found to be a thief, ____ disappointed his wife.
| A．who | B．that | C．which | D．whom |
Every day the mother seems to be busy until 10 o’clock at night, ____the rest of the family have fallen asleep.
| A．that | B．by which time | C．on time | D．whose time |
We have to delay the party till next week, ____ we will not have something important to do.
A. whenB. which C. at which D that