1.I think _teenagers_(十几岁的少年)should be allowed to go out with their friends
2.Do you have any questions _to ask_(ask)?
3.-Did you have anyone _water__(water)the tree?
-Yes,I had them _water_(water) this morning
4.I had my teeth _pulled_(pull) this morning
5.I'll have it_repaired__(repair) tomorrow
6.We agreed _on__(on,to,with,at)a date for the next meeting
7.I quite agree _with_ you _on_that point
8.How many of the teachers __volunteer_(volunteer)the other day
9.I have no time __to reply_(answer,to reply,to answer to ,to reply to) his letter
10.We won't allow _to enter__ in the cinema.
11.The doctor looked over Peter carefully after he _was sent__ to the hospital
12.Li Lei gave Tom a new pen last week(改为被动句)
(1)A new pen _was__ _given__ _to__ Tom last week
(2)Tom _was_ _given_ _a_ _new_ _pen_ last week