We ________ our hands while they were singing on the stage.
#41720
A
clap
B
have clapped
C
were clapping
D
are clapping
推荐题目
   — What are the kids doing?— They ______ flowers in the garden.
#42051
A
water
B
watered
C
have watered
D
are watering
Please be quick, or we will have no time ____ lunch. 
#40631
A
to have
B
having
C
on having
D
have
–What’s your father doing now? –He ______ the room
#42818
A
cleaned
B
cleans
C
has cleaned
D
is cleaning
—Tony, ____you _____ smoking?   —Yes. Drinking tea is my favorite now.
#38738
A
will; stop
B
are; stopped
C
would; stop
D
have; stopped