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Look ！A boy       on the playground.
#39826
A
runs
B
running
C
is runing
D
is running
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Robots ________ heavy work on farms in the future.
#39046
A
do
B
will do
C
did
D
does
---Pardon? I _____ quite catch you.--- I said I ______ the song before.
#39608
A
didn’t, hadn’t heard
B
don’t, didn’t hear
C
didn’t, didn’t hear
D
won’t, hadn’t heard
The meeting _ by the time I got there yesterday.
#42169
A
was on
B
has been on
C
had begun
D
has begun
---- Look! Somebody_______ the sofa.---- Well, it wasn't me. I didn't do it.
#39251
A
is cleaning
B
was cleaning
C
has cleaned
D
cleaned
Maria          wear a dress at the party yesterday.
#39665
A
is supposed
B
is supposed to
C
was supposed to
D
should to