Question 12: Were you able to find the person…………wallet you found? A. who B. which C. whose D. that Question 13: In English, the same word can operate as many parts of speech. That’s due to its…………. A. variety B. vocabulary C. flexibility D. openness Question 14…………. thought was given, but all was not approved. A. a large number of B. a great deal of C. many of D. many Question 15: If we go on littering, the environment will be seriously ___________. A. pollute B. polluted C. pollution D. pollutants Question 16: I have ………..older sister and ………..younger brother. A. an…..an B. a…..a C. an…..a D. a…..an Question 17: Have a cup of tea, _______? A. do you B. will you C. won’t you D. don’t you Question 18: I turn down the job______ the attractive salary. A. because B. because of C. although D. despite Question 19: She asked me if I _______a laptop computer the following day. A. buy B. bought C. would buy D. will buy Question 20. When ________________? _ In 1786. A. the telephone was invented B. was the telephone invented C. did the telephone invented D. did the telephone invent Question 21 After they (go) _______I (sit) _______ down and rested A. went - sat B. had gone- sat C. had gone- had sat D. went- had sat Question 22: This room is too dark. It needs _____________. A. to repaint B. to repainted C. repainting D. repainted Tìm đáp án và giải thích giúp mình ạ,mình cần gấp