STUDENTS ARE STILL WORRIED ABOUT THE EXAM ________ THEY HAVE PREPAR...

2. - ĐỀ HGS ANH 9 TỈNH YÊN BÁI 2010
Tiếng Anh ĐỀ HGS ANH 9 TỈNH YÊN BÁI 2010
2. Students are still worried about the exam ________ they have prepared well for it.A. but B. so C. although D. and