Shanghai Disney Park will be opened on June 16"'．But the tickets for the first day have ______ sold out．（ ）
A．everB．justC．neverD．already
﹣Mom， must we come back at nine o'clock？
﹣Oh， dear， _______． You can come a little later．（ ）
| A． |
you can't |
B． |
you mustn't |
| C． |
you needn't |
D． |
you couldn't |
When you set out on your new journey，you shouldn't forget _____you came from．（ ）
| A． |
where |
B． |
what |
C． |
when |
D． |
if |
Several earthquakes have _______ around the world in 2016．（ ）
A．taken care ofB．taken place
| A． |
taken a rest |
B． |
taken away |
﹣What can we do for our environment？
﹣I think we should plant _______ trees to have a healthier life．（ ）
| A． |
fewer |
B． |
much |
C． |
most |
D． |
more |
﹣What do you think of your teacher？
﹣He is perfect and plays an important role _______ helping us in our school life．（ ）
| A． |
on |
B． |
up |
C． |
in |
D． |
with |