问题

—What’s that noise?—Oh，I forgot to tell you.The new machine ________.

A:was tested
B:will be tested
C:is being tested
D:has been tested

正确答案是：

同类题型

_____ being fun, watching English videos is a good form of listening exercise　　[ ]

The old man with his wife often_________ the children in the park， thinking of their own grandchildren in the city.

________ will it take to see the Chinese Dream come true for our children and grandchildren?

The mobile phone has influenced people’s life a lot since it _________.

ap is drawn to the _______of one inch for 1000 miles, so you can find out how far it is from Beijing toShanghai