Mike has lost new watch.He is looking for it everywhere.
he
his
him
The lights is on.When you leave,please _____.
OK,I won't forget ____it.( )
turn it off; to do
turn off it; doing
turn on it; to do
It takes me half an hour _____playing the piano.How about you?
I usually spend 20 minutes ____it.( )
practicing; on
to practice; in
to practice; on
Someone is knocking at the door,Is it Tom?
It _____him.He has gone to Beijing.( )
may not be
can't be
mustn't be
The weather in Qiqihar is colder than ____in Shanghai.( )
those
it
that
WeChat(微信) is widely used._____the young _____the old are interested in it.
Either; or
Neither; nor
Not only; but also