THE CHAIRMAN REQUESTED THAT _____ .A. THE MEMBERS STUDIED MORE CAR...

20. - DE THI THU DAI HOC MON ANH VA DAP AN 20. - DE THI THU DAI HOC MON ANH VA DAP AN
DE THI THU DAI HOC MON ANH VA DAP AN
20. The chairman requested that _____ .A. the members studied more carefully the problemB. the members study the problem more carefullyC. with more carefulness the problem could be studiedD. the problem was more carefulnessly studiedIV. Grammar and Vocabulary; Choose the correct answer.