Look! Those boys ________ football.
#40563
A
are play
B
are playing
C
playing
D
play
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Look !A boy       on the playground. 
#39826
A
runs
B
running
C
is runing
D
is running
Here___ ___number of people. ___ number of them___fifty.
#37664
A
are, a; The, is
B
is ,the; A, are
C
is, a; The are
D
are, the; A, is
 The old people ______lonely at all since we began to visit them once a week.
#42516
A
haven’t felt
B
hasn’t felt
C
didn’t feel
D
don’t feel
—Where did you ______on vacation?    —I_____to Shanghai.
#40639
A
went, went.
B
go; went.
C
go;go.
D
went;go