The traffic is moving very slowly as so many cars   on their way back to Shanghai.
#43435
A
am
B
is
C
are
D
be
推荐题目
The head teacher with his students ______ Zhang Gong Shan Park if it _____ tomorrow.
#85822
A
is going to; isn’t rainy
B
are going to; isn’t raining
C
is going to; won’t rain
D
are going to; doesn’t rain
Mail or gifts posted by companies to customers ________ advertising.
#86055
A
are another
B
is the other
C
are other
D
is another
Everyone _____ their weekend. 
#43736
A
enjoy
B
enjoys
C
enjoying
D
to enjoy
 E-mail, as well as telephones, _____ an important part in daily communication.
#85691
A
is playing
B
have played
C
are playing
D
played