It was very hot yesterday, but it is_______ today.
A. even hotter
B. more hotter
C. much more hot
D. much hot
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The earth is about________ as the moon.
A. as fifty time big
B. fifty times as big
C. as big fifty times
D. fifty as times big
China is larger than _________ in Africa.
A. any other country
B. other countries
C. the other country
D. any country
—How long _____each other before they _____here?—For about a year.
A. have they known, come
B. did they know, came
C. do they know, come
D. had they known, came
Mr. White, who ________ in Shanghai for seven years, is a manager of a company in Beijing.
A. was working
B. worked
C. had worked
D. has worked