问题

Look at the sign! —Oh, I see.We _______ waste water.
A:can
B:must
C:mustn’t
D:needn’t
B:must
C:mustn’t
D:needn’t
正确答案是:
同类题型
Does Linda enjoy ______ at Lana’s birthday party?
Who is your favorite teacher?—Miss Wu. She is my Chinese teacher. I like her very much.
How many students are there on the playground? —_________.
When shall we meet again?–Make it____ day you like. It’s all the same to me.
Can Millie ________ English?— Yes, of course. Next she wants to ________ you a story in English.