The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck. 
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A
was
B
were
C
had been
D
would be
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AC Milan has confirmed that the England star David Beckham ______the team soon.
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A
has rejoined
B
was going to rejoin
C
rejoined
D
is to rejoin
The town’s drinking-water _____ with prim chemicals at present.
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A
contaminates
B
is contaminated
C
is being contaminated
D
has been contaminated
 I wish I ____ clever enough to work out the ____ geometry problem.
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A
can be; abstract
B
could be; abstract
C
can be; easy
D
could be; easy