Ex1: Chọn từ hoặc cụm từ thích hợp để điền vào chỗ trống: 1. I.........very happy on my last vacation. a. am b. was c. were d. will be 2. We like............together. a. to talk b. talking c. talked d. talk 3. Did Liz buy any........in Nha Trang? a. gifts b. vacations c. stall d. aquarium 4. He..........come here last night. a. doesn't b. won't c. didn't d. isn't 5...............did you see her? - Yesterday morning. a. When b. Where c. What time d. What 6. Don't eat too.................candy a. much b. many c. lots of d. more 7. Are you scared............seeing the dentist? a. of b. in c. before d. at 8. Remember.....................Your teeth after meals a. brush b. to brush c. brushing d. brushes 9. She looks tired. What's the............with her? a. matter b. happen c. wrong d. right 10. I need.................. Your height a. measuring b. to measure c. measure d. measured CTLHN LUN