Ⅰ.单句语法填空/单句改错
1．I wonder________they will arrive on time.
答案： if/whether
2．Don’t hesitate to turn to me for help no matter________you need it.
答案： when
3．It is________(harm) to your health to drink too much alcohol.
答案： harmful
4．Forgive me for________(interrupt)，but I really don’t agree with that.
答案： interrupting
5．I owe________to you that I finished my work in time.
答案： it
6．There being nobody else in the room，Jenny let out all the words hiding her heart for years.
答案： hiding→hidden
