Mom，_____I play computer games this evening？
Sure， but you_____finish your homework first．（ ）
A．can； mustB．can； mustn't
C．may； couldD．may； can't
What are you doing，Tim？
I am listening to the song Long Live _______ makes me feel excited．（ ）
A．whichB．whoC．/
Jane's spoken English is pretty good．
Yeah，she works hard and practices _______ it both in and out of class．（ ）
A．spokeB．to speakC．speaking
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