_____ back problems， always bend your knees when you lift heavy objects.
#98752
A
Avoiding
B
To avoid
C
Having avoided
D
To be avoiding
推荐题目
It was a sunny afternoon and so I suggested ______ to the beach .
#89681
A
going
B
to go
C
go
D
having gone
We walked as fast as we could _____ to catch the train.
#98331
A
hoping
B
to hope
C
we hoped
D
being hoped
When _____ who is their best friends, the boys usually hesitate before responding.
#96749
A
asking
B
asked
C
ask
D
to ask
____that the government can lead them out of the financial crisis,people are optimistic about the future of the country.
#97828
A
Convincing
B
Convinced
C
To convince
D
Having convinced
Rather than ______ on a crowded bus, he always prefers _______a bicycle．
#94021
A
ride; ride
B
riding; ride
C
ride; to ride
D
to ride; riding