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