A car engine cannot run smoothly without motor oil.____ our body cannot function efficiently without vitamins.
#23413
A
fortunately
B
Gradually
C
Similarly
D
Confidently
推荐题目
You needn’t have apologized for your absence— , it’s hardly your fault.
#22647
A
therefore
B
however
C
meanwhile
D
besides
They had planned to go for a picnic, but because of the rain they had to stay home_______.
#24625
A
instead
B
really
C
however
D
though
The traffic problems have severely affected economic development. ________, we must spare no efforts to solve them.
#23594
A
Furthermore
B
Therefore
C
Meanwhile
D
Nevertheless
Polar bears live_______ on sea ice，which they use as a platform for hunting seals
#24917
A
most
B
almost
C
nearly
D
mostly
Flight attendants usually need to arrive at the airport ______ before their flight leaves.
#24681
A
much
B
very
C
well
D
largely