I don't know ________.
A．how can I do it
B．how to do it
C．what can I do
D．how to do
Jenny, may I use your dictionary? I forget ________ mine.
A．to bring B．bringing
C．brings D．brought
________ bread does he want?
A．How many B．How much
C．How long D．How often
Mike ________his computer and checked his email.
A．turned on B．turned off
C．turned up D．turned down
Here are some tomatoes. Please ________.
A．cut it up B．cut up it
C．cut them up D ．cut up them
Lots of animals are in great ________.We should play a part in ________ them.
A．dangerous; save
B．danger; saving
C．danger; saved
D．dangerous; saves
