Jack has learned more about teamwork（团队合作） _______ he joined the soccer team．（ ）
| A． |
until |
B． |
since |
C． |
while |
D． |
though |
﹣I want to know ．
﹣ Because he has to look after his little sister．（ ）
| A． |
why he is leaving |
| B． |
why is he leaving |
| C． |
whether he is leaving |
The students of Class One how to do the experiment in class yesterday．（ ）
| A． |
taught |
| B． |
was taught |
| C． |
were taught |
You'd better try to guess the meaning when you meet a new word． Don't always
your dictionary．（ ）
| A． |
keep on |
B． |
depend on |
C． |
decide on |
The dishes cooked by my mother are more delicious than cooked by my father．（ ）
| A． |
ones |
B． |
them |
C． |
those |
the help of the classmates， he got to the top of Hongjun Mountain successfully．（ ）
| A． |
Under |
B． |
In |
C． |
With |