问题
It’s hard work to achieve a balance between schoolwork and hobbies.–So it is, but we have to.
A:a
B:an
C:the
D:不填
B:an
C:the
D:不填
正确答案是：
同类题型
Could you _____ me something about your English teacher?-Sure.She is nice and kind to us.
It was 10 years of hard work that _______his success in business．
She_______ballet before she entered film industry.
Tony knows China very well because he ______ in China for twenty years.
What do you usually do _____ your computer? —I usually chat _____ QQ friends online. [ ]