A) badly B) well C) good D) bad
A) all B) both C) any D) either
A) Thousands of B) two thousands C) thousand of D) two thousands of
A) in B) at C) on D) of
A) himself B) he C) him D) his
A) a B) an C) / D) the
A. who is the abacus invented
B. when the abacus is invented
C. when was the abacus invented D. when the abacus was invented
A. was done B. will do C. can do D. can be done
A. will finish B. is finished
C. was finished D. finished
A. invented B. is invented
C. was invented D. is inventing
A. come B. comes C. came D. to come
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