Câu hỏi trắc nghiệm (5 câu):
-
- A. succeed
- B. successive
- C. successful
- D. succeeding
-
- A. join - are trying
- B. joined - were trying
- C. joined - had tried
- D. were joining - were trying
-
- A. builds - are working
- B. were building - were working
- C. were building - worked
- D. built - were working
-
- A. Volunteer
- B. Volunteers
- C. Volunteering
- D. Voluntary
-
- A. in
- B. into
- C. to
- D. at