The children _______ a PE class on the playground when it suddenly began to rain.
#42155
A
have
B
are having
C
had
D
were having
推荐题目
My brother usually _____ his classroom after school. But now he _____ basketball.
#39919
A
cleans; plays
B
is cleaning; plays
C
cleans; is playing
D
is cleaning; is playing
The World Expo (世博会) ____________ in Shanghai now. 
#42723
A
being had
B
is having
C
is holding
D
is being held
— May I speak to Mr Morgan?— Sorry. He______on the farm. 
#42136
A
works.
B
worked
C
is working
D
has worked
--Is Mary in the classroom? -- No. She______ to the library. 
#38305
A
goes
B
had gone
C
has gone
D
would go