The floor is dirty and it requires _________.
#95787
A
being cleaned
B
clean
C
to clean
D
cleaning
推荐题目
___ the room, the nurse found the tape-recorder ___. 
#95593
A
Entering; stealing
B
Entering; gone
C
To have entered; being stolen
D
Having entered; to be stolen
We want to shock people into ____ that many smokers die all too soon from illness and diseases _____ smoking.
#88246
A
being realized; relating to
B
realizing; related to
C
realizing; relating and
D
being realized; related and
We are invited to a party ________in our club next Friday.
#95004
A
to be held
B
held
C
being hold
D
holding