The 30th London Olympic Games ____________ on July 27th, 2012.
#44703
A
will be held
B
is held
C
was held    
D
has been held
推荐题目
Every year lots of trees ____________ to make our country more beautiful.
#44817
A
is planted
B
was planted
C
are planted
D
were planted
---Why is the classroom so dirty? --- Sorry, sir. It ______ yesterday. We forgot to do it. 
#44831
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned
The words _________ by Miss Li are marked ________ red.
#44821
A
are written; in
B
written; in
C
are written; with
D
written; with