请大家帮我看几道英语语法题需要正确率

请大家帮我看几道英语语法题需要正确率
A:The teacher says we _______ our assignment tomorrow if it's not ready today.
B:Thank goodness!I need a little more time.
can be turning in
will turn in
could have turned in
can turn in
A:Excuse me,miss.Can you give me some information?
B:Of course,sir.Just one moment,and I'll _______ you.
be able to assist
be going to assist
can assist
have to assist
A:Do you remember when we _______ for a long walk every Sunday?
B:Yeah,why did we stop?Let's start that habit again.
can go
would go
could have gone
ought to go
A:When I was on the bus last night,I saw Lisa walking down Maple Street.
B:It _______ Lisa!She's in India this semester.
can't be
mustn't have been
mustn't be
can't have been
A:This movie is just awful.Could we change the channel?
B:_______ watch the news instead?
A:Absolutely.Yes,that would be much better.
Hadn't you better
Would you prefer
Did you
Would you rather