— So how long have you been in Beijing? — Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here. 
#103611
A
visited
B
am visiting
C
have visited
D
have been visiting
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—Isn't it hard to drive downtown to work?—Yes,that's why I________to work by train.
#99169
A
have been going
B
have gone
C
was going
D
will have gone
John _______ for London this afternoon and his flight _______ off at 18:20.
#101809
A
is about to leave; will take
B
is leaving; takes
C
is going to leave; is taking
D
is to leave; is about to take