The biggest challenge we all face is to prevent further environmental disasters. We ________ take action before it is too late.
can
must
may
might
How do you improve your spoken English?
By practicing_______to my teachers and classmates. ( )
A.talkingB.to talkC.talk
Could you please tell me_______mooncakes traditionally in China, Li Hua?
During the Mid﹣autumn Festival. ( )
A.when people ateB.when people eat
C.when do people eat
Jack, you look more handsome in your new shirt today.
Oh. really? I____it in a cheap store with my mom. ( )
A.buyB.will buyC.bought
Let's go climbing Langshan Mountain this Saturday ______the weather is fine.
Good idea!( )
A.thoughB.ifC.unless
Will Sam go to the cinema with us tonight?
I'm not sure.He_________not be free. ( )
A.mayB.shouldC.can