问题
填空题
根据句意，填写适当的连接词
1. Mary told me________she had seeri my friend the day before yesterday.
2.I wonder________she was at home yesterday.
3. I'm not sure_________she'll go or not.
4. The teacher asked Tom_________he didn't go yesterday.
5. He didn't tell me__________volunteers there are in his class.
答案
1. that 2. if ( whether) 3. whether 4. why 5. how many