Although medical science________control over several dangerous diseases，what worries us is that some of them are recurrent.
#99174
A
achieved
B
has achieved
C
will achieve
D
had achieved
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—Sorry, sir, your car isn’t ready yet. It _____ in the garage.―That’s all right.
#102997
A
is repaired
B
is being repaired
C
hasn’t repaired
D
has been repaired
His sister left home in 1998, and _______ever since.
#99521
A
has not heard from
B
had not heard from
C
has not been heard of
D
had not been heard of
Dad, I was just wondering if you could lend me a few dollars until I _______ next week.
#100061
A
got paid
B
have paid
C
get paid
D
had been paid
Up to now, they _________ a good way to solve that problem.
#102584
A
didn’t find
B
can’t find
C
hadn’t found
D
haven’t found
—We all had a lot of fun at the barbecue yesterday. Pity you weren't there.—I really should have gone with you but I________on some remaining problems.
#99179
A
worked
B
was working
C
would work
D
would have worked