问题

that terrible noise, David—Oh, I forgot to tell you. The new machine in the nearbyplant_____.

A:were tested
B:will betested
C:are being tested
D:have beentested

正确答案是：

同类题型

The government will __________ the countrythrough the difficulties ahead.

If one succeed， one must put his heart into his career

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The car is too ______, I can’t buy it.