— When _________ you________ your teeth, Billy?—Just now.
#42507
A
do; brush
B
have; brushed
C
did; brush
D
was: brushing
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Great changes ______ in the city and a lot of buildings ______.
#42171
A
have taken place, have been set up
B
have been taken place, have been set up
C
were taken place, were set up
D
have taken place, set up
-- Have you ever been to Shanghai, Mary? -- Yes. I _______ there for three clays with my parents last month.
#42741
A
have gone
B
have been
C
went
D
was
The film is wonderful, but it _______ too much. It will _______ me two weeks to make money to buy a ticket.
#42379
A
costs; spend
B
takes; cost
C
costs; take
D
spends; take
To everyone’s surprise , Alex _____ play chess very much when he was only four .
#39428
A
might
B
should
C
can
D
could