30．The new curriculum advocates allowing students more time to participate in_______is referred to as community service.
| A．that | B．which | C．where | D．What |
Little Alice ___ at the teacher , not knowing what to do.
| A．glared | B．stared | C．glanced | D．fixed |
Tom hit Steven ___ the head, but Steven struck Tom ___ the face.
| A．on, in | B．in. on | C．in, in | D．on, on |
Mary’s father is seriously ill, she is staying at home, looking after her ___ father.
| A．ill | B．sick | C．illness | D．sickness |
----May I put luggage on the seat beside you, sir?
-----_________.
| A．Sure, with pleasure | B．Okay, please |
| C．Well, never mind | D．Yes, help yourself |
When solving the problem a second time, you’d better be more careful____you made a mistake.
| A．in case | B．where | C．in which | D．that |