—Have you seen Mr. Smith?—Yes. Look, he _________with a parent in the office.
#39263
A
talks
B
talked
C
is talking
D
has talked
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It’s two and a half weeks since the exchange students __________ Taixing.
#41756
A
arrived
B
reached
C
have been in
D
have arrived in
My dad __________ Singapore for a meeting. He ________ there twice.
#39807
A
has gone to, has been to
B
has been to, has gone to
C
has gone to, has been
D
has been to, has gone
I ________some chickens in the countryside yesterday.
#39288
A
feed
B
feeds
C
fed
D
feeding
---Great changes        in our hometown since ten years ago.
#40580
A
have happen
B
have taken place
C
happened
D
have been taken place