Mark letter A, B, C, or D to indicate the correct word or phrase that completes each of the sentences

er August, heavy rains cause river levels to rise and make Son Doong Cave largely
A. accessible
7. At the peak of its
A popular
A. How cool
8. Tom: "I've just found 20 dollars in my pocket!
Mary:
A. work
9. She spent the whole day
10. It rained
B. accessibly
B. popularity
A ups and downs
A. who
in the late nineties, the band sold ten million albums a year.
B. How crazy
B. working
19. The police have to try to catch the men
B. whom
C. access
yesterday, so we could not go sailing.
C. popularize
20. The building will be sold next month
C. Thanks a lot
in her office, so she came home exhausted.
C. to working
B. chalk and cheese
C. they
D. inaccessible
drive dangerously.
D. popularly
D. which
D. That's right
C. fast and furious
D. worked
they have run out of money.
D. cats and dogs