问题

How’s your new babysitter? —We ______ ask for a better one. All of our kids love her so much.
A:might
B:mustn’t
C:couldn’t
D:should
B:mustn’t
C:couldn’t
D:should
正确答案是:
同类题型
Kate, you are very smart.— ___________
Is Jim coming by train —I’m not sure. He _________ drive his car.
Millie is______ clever a girl thatshe has worked out _______difficult math problems.
What do you have________ breakfast— An egg and some bread.
can’t finish the book in less thanan hour, I suppose—_______ I’ll return it to you on time