A. subway B. piano C. plane D. taxi
A. taken place B. happened C. been made D. taken the place of
A. in the past B. in the end C. at first D. at once
A. How B. What C. Very D. So
A. floor B. ground C. earth D. land
A. brother B. brother’s C. brothers’ D. brothers
A. on B. in C. from D. with
A. tree B. plants C. animal D. flower
A. but B. or C. and D. so
A. memory B. memorize C. forget D. lose
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