----- Nội dung dịch tự động từ ảnh ----- TEST 4 1. You had better study harder to .......... your classmates. A. keep up with B. stuck in C. fed up with D. base on 2. We had to drive slowly because the road was narrow and .......... A. slippery B. sleepy C. tidy D. dirty 3. Remember to .......... the light when you go out of the room. A. turn down B. put off C. turn off D. take off