Sam spends half an hour_____ TV every day.
#54739
A
to watch
B
watching
C
watch
D
watches
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 I usually use my computer _________my emails and buy tickets.
#56132
A
check
B
chceks
C
to check
D
checking
.Not only her mother but slao her father_____in the same school for twenty years.
#53705
A
will teach
B
has taught
C
have taught
D
are teaching
They  here on foot yesterday. 
#59690
A
arrived at
B
reach
C
got to
D
arrived