随堂演练
及时体验 巩固提升
Ⅰ.用适当的连词填空
1．The problem ________ he can't come to help us worries us a lot.
答案 that
2．I have no idea ________ he will return.
答案 when/whether
3．I have no information ________ he went camping last Sunday.
答案 where/how
4．He expressed the opinion ________ Tom should be made manager of the factory.
答案 that
5．The problem is ________ they have run out of food.
答案 whether
6．There's no doubt ________ he was killed in the accident.
答案 that
