问题

The father often buys his son English learningmaterials, ____at encouraging him to learn English.

A:aim
B:aimed
C:to aim
D:aiming

正确答案是：

同类题型

1． The number of students in class ten sixty-six,and a large number of them JayZhou.

s institute, a medal with nine thousand dollars__________ gains success in science and technology every other year

u know that Jack ______ a postman forabout six years”“Yes, I see”

If you______the project, you are sure to meet with difficulties.[ ]

_______, we’ll support you