The 2012 Summer Olympic Games ______, taking place in London for a third time this summer.
#101924
A
approaches
B
to approach
C
approached
D
are approaching
推荐题目
New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
#104707
A
is used; not to pollute
B
has used; is not polluted
C
is being used; do not pollute
D
has been used; to pollute
My last job lacked variety; I __________ the same things all the time.
#100357
A
did
B
have done
C
was doing
D
have been doing