问题
选择题
Follow the directions on the bottle carefully when _______.
A.you will take the medicine
B.taking the medicine
C.to take the medicine
D.taken the medicine
答案
答案:B
主句中没有主语是祈使句,用现在分词表示时间语主语(you)一致。
Follow the directions on the bottle carefully when _______.
A.you will take the medicine
B.taking the medicine
C.to take the medicine
D.taken the medicine
答案:B
主句中没有主语是祈使句,用现在分词表示时间语主语(you)一致。