Nancy quickly  ________ the door and put down her school things. 
#53553
A
opens
B
opened
C
has opened
D
is opening
推荐题目
These cards are very nice. Which one should I _______?
#56130
A
choose
B
read
C
look
D
learn
—This physics problem is too difficult. Can you show me _______, George?—Sure.
#61695
A
what to work out
B
to work it out
C
how to work it out
D
how to work out it
—Teenagers are sometimes made         what they are not        .    —I agree.
#62821
A
to do;interested
B
to do;interested in
C
do;interested
D
do;interested in