——Why is the classroom so dirty?
——Sorry, Sir. It _____ yesterday. We forgot to do it.
| A．doesn't clean | B．didn't clean | C．isn't cleaned | D．wasn't cleaned |
——Have the police caught the thieves _____ the bank last week?
——Yes, they were caught yesterday.
| A．that robbed | B．which robbed | C．robbed | D．who have robbed |
I’m new here. Could you please tell me ________ ?
| A．what is the building used for | B．when does the first class begin |
| C．where is the dining hall | D．how many classes our school has |
——Must I park my car behind the building?
——No, you needn’t. You _____ park it here.
| A．need | B．must | C．may | D．should |
——TV and computer are so popular these days.
——Yes, they can ____ our eyes to the outside world.
| A．call up | B．open up | C．turn up | D．take up |