A. Bywritingletters. Bymakingphonecalls. C. Byemails. D. Bychattingonline
A. FredandLilywillstudytogetherintheUnitedStates. B. FredillstudyintheUnitedStatesforalongtime. C. Fred’sparentswanthimtoworkintheUnitedStates. D. Fred’sparentswanthimtosettleintheUnitedStates.
A. SEG B. SIN COS D. TAN
A. 对 B. 错
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