问题

It’s too difficult for you to answer. —Why ____ the teacher for help?[ ]
A: don't ask
B: not ask
C: not wait
D: don't wait
B: not ask
C: not wait
D: don't wait
正确答案是:
同类题型
Americans eat vegetables per person today ______as they did in 1910.
My school is different __ theirs. It has many after school clubs.[ ]
Two students in our school will go to the beach.
_____ do you go to your grandma’s home? —Twice a week. [ ]
What are you going to be when you grow up,Sam?—________ teacher like you.