It is difficult for any of us to eat better, exercise more and sleep enough _________ we know we should.
#33757
A
despite
B
even though
C
as if
D
unless
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___I saw him, his humor impressed me.
#30523
A
The first time
B
At first
C
It was the first time
D
For the first time
Being League members, ___ we ought to work hard at our lessons;___ we ought to take an active part in social activities.
#80369
A
on one hand…on other hand
B
on the one hand….on the other hand
C
on the one hand…on the other
D
B and C
It's important to learn how the whole system works. Sometimes, ________， it's the details that interest us the most.
#32141
A
therefore
B
meanwhile
C
furthermore
D
though
___________there are many different types of food, some animals spend their lives eating only one type.
#31689
A
Since
B
Unless
C
Once
D
While
They looked very excited they had won the football game.
#30122
A
even though
B
even if
C
though
D
as if