Molly dreams of becoming ______ excellent engineer in the future．（ ）
| A． |
a |
B． |
an |
C． |
the |
Finally，they came back．
They ______be hungry after such a long walk．（ ）
A．can'tB．mustC．needn't
Did you win the game yesterday？
Not really．______we all tried our best，we lost it．（ ）
A．IfB．ThoughC．Unless
Your coat fits you well．
Thank you．I_______ it when I was on vacation．（ ）
A．have boughtB．buy
C．bought
What do you think of the movie Zootopia？
Hmm…I think it is _______ movie that I have ever seen these years．（ ）
A．a goodB．a betterC．the best
I think I'll take a bus to the meeting．
The bus？If you_______，you will be late．（ ）
A．doB．have doneC．will do