问题

_____ hard and you’ll succeed sooner or later.
A:Study
B:To study
C:Studying
D:Studied;
B:To study
C:Studying
D:Studied;
正确答案是:
同类题型
Mum,may I go out to fly kites-Sorry.Please don’t go out___________your work is finished.
I really don’t know if she_____ it when she_____.
I just don’t know_______ myself.
Would you take this along to the office for me—______________.
Your teacher’s words will be ________you in all your life,so you should remember them forever.