baì 1: điền giới từ
1. teenagers are concerned ...... the environment
2. please took......... my chilldren while i'm working
3. we are bored...... watching tv now
4. in a games of singles , two players play ...... each other
5. thanks ...... your invention . it's very useful
bài 2: chia động từ
1.daddy, cuold you tell me how [run]......... this washing machine ?
2. my mother is busy [cook].......... dinner in the kitchen
bài 3:
1. we ....... to our new house on january 1 st
a. transfered b. got c. removed d. moved
2. fluoride toothpaste helps ......... tooth decay
a. prevent b. for preventing c. preventing d. with preventing
3. she added a little salt to the soup so it tasted ......
a. delicously b. well c. good d. tastefully
bai 4
1. why is not this tv working ?
- what ..........
2. hoa and minh didn't go to school yesterday beccause of illness
- hoa and minh were .............
3. can't you do better than that ?
- is that .......
4. it isn't nesscary for students to wear uniforms on wesnesday
- students ..........
5. she feels comfotable to watch tv
- watching tv ...........