1 . This is the second workplace _________ I used to work at, many workers of __________ still have a good relationship with me.

A．that, which

B．where, which

C．where, whom

D．that, whom

2 . I was late for class yesterday _______ there was something wrong with my bike.

A．when

B．that

C．until

D．because

4 . Due to widespread ______ of 5G technology, more remote surgical operations are likely to be carried out across long distances.

A．occupation

B．application

C．qualification

D．composition

5 . New York, ________ I visited last year, is a nice old city.

A．that

B．which

C．when

D．in which

6 . Twitter is a social networking website ______ people from different countries communicate with one another.

A．when

B．that

C．where

D．which

10 . The contradiction between unbalanced and inadequate development and the people’s ever-growing needs for a better life is ________ we must face up to.

A．that

B．what

C．how

D．where