While Ann ___ TV, her father came home.
#41786
A
is watching
B
was watching
C
watch
D
watches
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Great changes _________ in Tongren in the past five years.
#42335
A
have happened
B
have taken place
C
have been happened
D
have been taken place
While I ______ with Lily, the school bus came.
#38270
A
talk
B
talked
C
was talking
D
am talking
-Is Mary in the library, Tom?-No. She ______ with her friends.
#42213
A
will play
B
plays
C
is playing
D
played