1 . Two Chinese astronauts headed outside the nation’s Tiangong space station on February 9, 2023 for   ________ seven-hour-long spacewalk, ________ first of the ongoing Shenzhou 15 mission.

A．a; the

B．the; the

C．a; a

D．the; a

2 . He was on ________ phone when I paid ________ visit to him yesterday.

A．the; a

B．the; the

C．不填; the

D．the; 不填

3 . Tom with his friends often_________ on Sunday afternoon.

A．play the guitar

B．play guitar

C．plays the guitar

D．plays guitar

4 . The woman who used to be in ________ charge of a big company is in ________ charge of a nurse at present.

A．the；不填	B．the；the
C．不填；不填	D．不填；the

5 . I patted him on ________ shoulder, saying in ________ encouraging voice, "You can do it!”

A．the; an

B．his; an

C．the; /

D．his; /

6 . ---Annette has been complaining about_____ traffic keeping her awake at night.
---Yes, there is ________ heavy traffic on the road near the residential community.

A．/; /

B．/; the

C．a; the

D．the; /