When  _______ homework , you should be careful .
#81808
A
do
B
to do
C
doing
D
done
推荐题目
Mary never does any reading in the evening ,______.
#84592
A
so does John
B
John does too
C
John doesn’t too
D
nor does John
Not until actually ________ with water shortage ________ appreciate the value of water to a region.
#80996
A
facing; one can
B
faced; can one
C
faced; one cannot
D
facing; cannot one
 _______, Sharon couldn’t find her lost wallet. 
#79650
A
As she might try
B
Might she as try
C
She might as try
D
Try as she might
If you don’t go to visit our former teacher, ________ I.
#84233
A
so am
B
nor am
C
neither do I
D
nor will
Only when he was refused by the interviewer ________ the importance of knowing English.
#81994
A
did he realize
B
he realized
C
had he realized
D
was he realized