20 phút nữa mình nộp rồi ạ

2. Children are excited opening Christmas presents. A. by В. on C. about D. with 3. More and more students communicate their friends by means of e-mail or chatting. A. with B. through C. on D. to 4. The car was that she couldn't afford it. A. such expensive B. so expensive C. too expen ...