chọn đáp án đúng :
1. We saw some birds ... up from bushes
A. flew
B.flying
C. flow
2. Those .... vases look so beautiful with the bright color
A. recycle
B.recycling
C. recycled
3. Would you mind ... me some paper from the desk ?
A getting
B get
C to get
4. Ba and his friends traveled to Ha Noi ......train
A by
B on
C in
5. All the toys ... in tha store are not so expensive
A sell
B sold
C selling
1.A
2.A
3.C
4.A
5.C