May I join the art club, Dad?
If you have interest, you ________.( )
A.shouldB.canC.have toD.must
Don't hurry him.You will just have to be____and wait until he finishes the work.( )
active
careful
patient
famous
﹣﹣﹣Look at the stone bridge!Do you know____it was built?
﹣﹣﹣In the 1860s.It is quite old.( )
when
how
where
why
Please don't make so much noise.I_____hear the speaker very well.( )
needn't
mustn't
can't
shouldn't
Many wild animals are_____,and it's time for us to do whatever we can to protect them.( )
on duty
on show
in order
in danger
Mr.Black's memory is getting____.As a result,he often leaves his keys at home.( )
older
poorer
greater
better