The girl was crying when a fairy……………
A. appears
B. was appearing
C. appeared
D. is appearing
Hướng dẫn giải:
Sử dụng thì quá khứ tiếp diễn cho hành động đang xảy ra trong quá khứ, thì quá khứ đơn cho hành động khác xen vào.
Dịch: Cô gái đang khóc cho đến khi một nàng tiên xuất hiện.
Saint Giong was unable to talk, smile, or walk ……… he was three years old.
The 54 ethnic peoples of Viet Nam are…………, but they live peacefully.
Both my brother and I help ……….. our family’s goats. We feed them on the pastures by the edge of the village.
You should buy the blue sweater. It suits you ………..than the red one.
The ………… of quan ho singing has been recognized as a world heritage.