If coastal erosion continues to take place at the present rate, in another fifty years this beach________ any more.
A. Doesn’t exist
B. Isn’t going to exits
C. Isn’t existing
D. Won’t be existing
Chọn đáp án D
Alan took a photograph of Sandra while she________
D. Hadn’t looked
In the last two decades, space exploration___great contributions to weather forecasting.
C. Made
The phone________ constantly since Jack won the first prize this morning.
On July 20, 1969, Neil Armstrong ________ down onto the moon, the first person ever set foot on another planet.
Last night Trista________ in bed when suddenly she heard a scream
B.Had read
When boarding the plane, many passengers were annoyed because they ________ waiting in the airport for three and a half hours.