There is a knock at the door. It my mom. It's time for her to be back home.( )
may be
may not be
must be
mustn't be
It's getting dark.You'd better ____out by yourself.It's dangerous.( )
not go
not to go
to go
Look out!The food on the plate smells____.You can't eat it.( )
badly
bad
good
This passage is very difficult.____people can understand it.( )
A few
Few
A little
Yibin is one of the most beautiful ____in Sichuan.( )
city
cities
citys
Our teacher often asks us______ time.( )
not waste
don't waste
not to waste
doesn't waste