Đáp án:
B /điền từ thích hợp vào ô trống
1/ who is ........ ,Mai or Hoa?
A/tallert B/ tall C/taller D/more tall
2/ If....... fine tomorrow, we will have a picnic
A/will be B/won't be C/ be D/ is
3/ when he was yuong , he ............. swim very well. He won medals and championships
A/ can B/ couId C/ was able D/ will be able to