____ we get on well with a number of people , we are usually friends with only a very few．
#31752
A
As
B
Once
C
Before
D
While
推荐题目
________ a child begins school, he enters a world of vicious competition where success and failure are clearly defined and measured.
#33375
A
Before
B
Until
C
Whenever
D
The moment
children believe they can succeed, they will never become totally independent.
#33346
A
If
B
Though
C
Unless
D
When
I think humour is a vital form of entertainment, ____ it makes us laugh and laughing keeps us healthy.
#32174
A
when
B
after
C
if
D
because
---May I borrow your book Steve Jobs ? --- ________ you return it before Friday.
#30658
A
If only
B
Unless
C
On condition that
D
Now that