In my opinion, all Mr. Li ______ good to his students in his class at present. He is very strict with them in their studies.
A.does does does | B.does do did | C.does does do | D.did do does |
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In my opinion, all Mr. Li ______ good to his students in his class at present. He is very strict with them in their studies.
A.does does does | B.does do did | C.does does do | D.did do does |