初中英语助动词选择题

Oh，no!I can't find my mobile phone!

Well，where          you last put it？（　　）

A．haveB．doC．did

David，        make trouble at school． （　　）

A．can'tB．don'tC．doesn't

He used to arrive late last year，but now he ______．（　　）

A．hasn'tB．doesn'tC．isn'tD．wasn't．

It's very dangerous to swim in the pool． Look at the sign．

Oh，I ____ notice it． Thanks for telling me．（　　）

A．

won't

B．

don，t

C．

haven't

D．

didn't