According to the engineer, there remain some tests _____ before the machine is put into operation.
#91175
A
carrying out
B
carried out
C
being carried out
D
to be carried out
推荐题目
________ with routine office tasks, she had no time to attend to her children.
#95482
A
Occupying
B
Occupied
C
Being occupied
D
To be occupied
_____ to sunlight for too much time will do harm to one’s skin.
#92287
A
Exposed
B
Having exposed
C
Being exposed
D
to expose