—Bob,please ________ your spelling.You've dropped the "d" in the word "knowledge".
—Oh,yes.I'll be more careful next time.
A.listen toB.look forward to
C.pay attention toD.get used to
What tools ______to make paper cutting?
Scissors.( )
are used
used
will use
use
These light bulbs look the same,but their ______ on the environment are different.( )
solutions
methods
effects
secrets
Look on the bright side of life,and imagine that you ______ a happy and successful future.( )
had
will have
have
have had
______it is often cold in the mountains,you need to wear warm clothes.( )
Though
Unless
As
Until
______ 2000,this company has seen much new development.It has become one of the biggest companies in the country.( )
For
In
By
Since