I. 单选
1. I have to go to the doctor _________ Friday afternoon. A. at B. on C. in D. with
2. Many children like junk food, _________ it isn’t healthy.A. if B. so C. because D. although
3. —I’m going away for _________ days. Can you look after my dog for me? —Sure. A. a few B. a lot C. a bit D. a little
4. My brother is lovely, he often makes me _________ . A. laugh B. to laugh