1. We may fail in the test , ............. we ?

mayn't

may

might't

can't

2. He sleeps early , ............ he ?

does

doesn't

hasn't

didn't

3. They can swim , ............. they ?

can

can't

may

mightn't

4. We have not traveled abroad , ............ we ?

has

have

did

do

5. They slept all the day , ............. they ?

doesn't

didn't

don't

can't

6. I can't listen well , ........... I ?

may

can

could

might