25.Mr. Black, there is a__________Smith waiting for you at the back door.
A. named
B. certain
C. some
D. another
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26.Jane was tired. She__________all day.
A. was working
B. has worked
C. worked
D. had been working
__________you hear the radio from the other side of the room?
A. Can
B. May
C. Must
D. Should
28.Two of the boys__________while playing football.
A. hurt
B. were hurting
C. got hurt
D. had been hurt
29.Come and see me__________two or three__________.
A. for; days
B. after; days
C. in; days' time
D. during; day time