Before went abroad, he had finished his English course at the English-speaking Center.
A. went
B. abroad
C. had finished
D. English-speaking
Xem đáp án
A là đáp án đúng
Lời giải:
went => going
Giải thích: before + Ving: trước khi làm gì
Công thức nguyên hàm và tích phân
Before went abroad, he had finished his English course at the English-speaking Center.
A. went
B. abroad
C. had finished
D. English-speaking
Xem đáp án
A là đáp án đúng
Lời giải:
went => going
Giải thích: before + Ving: trước khi làm gì