If it ………………… last weekend, we would have gone skiing.
A. snowed
B. would have snowed
C. had snowed
D. would snow
Câu trả lời là: C là đáp án đúng
Công thức nguyên hàm và tích phân
If it ………………… last weekend, we would have gone skiing.
A. snowed
B. would have snowed
C. had snowed
D. would snow
Câu trả lời là: C là đáp án đúng