Ⅰ.用所给动词(短语)的适当形式填空
1．We decided to_talk (talk) to some students about why they go there.
2．It made us very angry to_hear (hear) him talk like that.
3．They found it impossible to_get (get) everything ready in time.
4．Please remember to_turn_off (turn off) the light when you leave.
5．The books are not allowed to_be_taken_out (take out) of the room.
6．He is looking for a room to_live_in (live in)．
7．He bought a bicycle to_go (go) to town more quickly.
8．They thought it a pity not_to_have_invited (not invite) her.
9．Did you notice him leave (leave) the room?
10．He can't help but clean (clean) the glass by himself.
11．It's nonsmoking area，so we told the guests not_to_smoke (not smoke) here.
12．The Arctic is considered to_be (be) the northern part of the Atlantic.
13．I would rather starve to death than beg (beg) for food.
14．A group of young people got together to_discuss (discuss) this question.
15．Why not try_going (try go) there by boat for a change?
