问题

How many times have you been to China?—In fact, it is the first time I __________ here

A:was
B:am
C:had been
D:have been

正确答案是：

同类题型

The boy as well as the two dogs _____ when the earthquake rocked the city

Changling, the largest of the Ming Tombs, is at the heart of Shisanling, with the other tombs _____ on either side of it.

1Look! What a clean room!Who_______ it?

She never laughed,_________ lose her temper

Itis not I but Tom and his wife that ______ for the car accident.