He____sleep, although he tried to. One cup of coffee in the late afternoon caused him to stay awake almost all night.( )
wouldn't
shouldn't
couldn't
mustn't
Mr.Liu is a really nice person﹣﹣﹣the ________ person I know.( )
nicer
nicest
happier
happiest
Don't take the dictionary away.I ________ it.( )
use
used
am using
have used
I have travelled a lot.I ________ speak four languages.( )
can
may
must
need
Grandfather lives with us.We all ________ him.( )
look at
look for
look after
look like
Eating dumplings at the Spring Festival is ________ in China.( )
patient
lucky
possible
traditional