问题
选择题
Being League members, ___ we ought to work hard at our lessons;___ we ought to take an active part in social activities.
A．on one hand…on other hand
B．on the one hand….on the other hand
C．on the one hand…on the other
D．B and C
答案
答案：D
一方面……,另一方面……on the one hand….on the other (hand)