—Must we keep the room_______ all the time? —No, you don’t have to.
#45320
A
cleaning
B
cleaned
C
to clean
D
clean
推荐题目
Mr Black is at home, but he doesn’t feel .
#45853
A
alone, alone
B
alone, lonely
C
lonely, alone
D
lonely, lonely
It's very to play Chinese chess with them.
#46392
A
pleasant ; /
B
interesting ; the
C
pleasant ; the
D
interesting ; a