---I _________ stay up late. ---Really? I didn’t. But I ______ working in the night.
A．am used to, am used to B．used to, used to
C．am used to, used to D．used to, am used to
Beijing _________a lot in the last ten years. It is one of _________ in China.
A．changes, the largest city
B．changed , the larger cities
C．has changed, the largest cities
D．has changed, the largest city
We really don’t know _________ with our problems in learning English.
A．how to deal B．how to do
C．what to deal D．how do we deal
They were walking ________ a forest after they swam _______ the river .
A．through, cross B．across ,through
C．through, across D．across, across
_______should not be allowed to get ears pierced.
A．Twelve-year-old B．Twelve-year-olds
C．Twelve years old D．Twelve years olds
What would you do if you had _________ dollars ?
A．two millions B．two millions of
C．two million of D．millions of
