—David is often absent from class.
—Tell him he ________ answer for it if he goes on behaving like that.
A.shall B.might
C.would D.can
A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.
A.may have been B.must be
C.need have been D.might be
There was something wrong with the network, or the email ________ earlier.
A.could have been sent B.might be sent
C.need have been sent D.must be sent
—________ you leave now? You only arrived an hour ago!
—Sorry, but so much homework is waiting for me.
A.Must B.May
C.Can D.Might
The parcel was a whole week late. How I wish I ________ air mail instead.
A.had chosen B.would choose
C.chose D.choose
—Could you please have my car ready today?
—Sure, the damage is not that serious, so it ________ be ready by 5:00 pm.
A.should B.could
C.might D.need