问题
选择题
If you are weak ______ a subject, ______ and asking a teacher for advice can help.[ ]
A. at; working hard
B. in; work hard
C. at; work hard
D. in; working hard
答案
答案:D
If you are weak ______ a subject, ______ and asking a teacher for advice can help.[ ]
A. at; working hard
B. in; work hard
C. at; work hard
D. in; working hard
答案:D