Tom with his friends ______ volleyball since three o’clock.
#103826
A
has been playing
B
is playing
C
have been playing
D
have played
推荐题目
_________ where the sound lab _________?
#103503
A
Has it decided; will built
B
Is it decided; it built
C
Has it been decided; will be built
D
Will it be decided; will be built
Much attention should ______ the environment and fighting against pollution.
#103646
A
be paid to protect
B
pay to protecting
C
pay to protect
D
be paid to protecting
The 16th Asian Games ____ in Guangzhou from Nov. 12 to Nov. 27, 2010. 
#101383
A
was held
B
was holding
C
will be held
D
will be holding