问题补充:
How many words have you learned you began to learn English?
A. for
B. if
C. before
D. since
答案:
A. for
B. if
(答案→)C. before
D. since
解析:for为了,对于;if是否,如果;before在……之前;since自从……以来。句意:在你开始学英语之前,你已经学会了多少单词?结合语境可知选C。
时间:2019-12-10 17:35:58
How many words have you learned you began to learn English?
A. for
B. if
C. before
D. since
A. for
B. if
(答案→)C. before
D. since
解析:for为了,对于;if是否,如果;before在……之前;since自从……以来。句意:在你开始学英语之前,你已经学会了多少单词?结合语境可知选C。