She doesn’t know________．
A．what she can do it B．what to do it C．how to do D．how to do it
His aunt always_________ a black dress．
A．put on B．puts on C．wear D．wears
—How often do you clean your classroom? —_________．
A．Last week B．In the afternoon C．For ten minutes D．Every day
— ____________, sir?
—I’d like to buy a gift for my friend.
A.Can you help me B. What can I do for you
C. How are you D. What about you
The price of the computer is not _____ but cars are very _________.
A. high; expensive B. expensive; high
C. high;high D. expensive;expensive
The student _______a lot of money _______books.
A. takes; toB. takes; buying C. spends; on D. spends; to buying
