问题

The boy often tries his best ___________ his parents happy.
A:to make
B:make
C:making
D:made;
B:make
C:making
D:made;
正确答案是:
同类题型
Could you go to the park with me this afternoon— Sorry, I _______ there. I went there yesterday.
I have reached a point in my life ______ I am supposed to make decisions of my own.
Why! I have nothing to confess. ______ you want me to say
as your family’s party— We didn’t plan like that, but it ____ very well.