She is listening to music he is doing his homework.( )
A.afterB.beforeC.while
Summer vacation is coming! I am thinking about visiting some places of interest.
Why not____Jingzhou and have a look at the ancient city wall?( )
A.come outB.come along
C.come up withD.come over to
We are planning a Yangtze River Protection Day this weekend. Do you have any advice?
You'd better ____signs around the school to tell all the students about that.( )
A.make upB.put upC.set upD.show up
There is always a smile on your face. Isn't there any trouble in your life?
Yes, there is. But life is like a mirror.______ you smile at it, it will smile back.( )
A.WhenB.BeforeC.UntilD.After
Many products made in China are very popular in the United States.
Yeah. Americans can _____avoid buying Chinese products.( )
A.nearlyB.mostlyC.hardlyD.widely
Can we walk across the road now?
No, we____. We have to wait until the light turns green.( )
A.couldn'tB.needn'tC.shouldn'tD.mustn't