问题

Pet raisers should look after their pets carefully, _______ they won’t be allowed to keep them any longer.

A:so
B:or
C:and
D:but;

正确答案是：

同类题型

Don’t be late again， Mike.— .

The food is ________, but I don’t have ________ to buy.

I’ll miss you. – Let’s call each other_______ and keep in touch online.

to be a football player of the school team, theboy made up his mind to train even harder

Will you join us to play basketball on Saturday afternoon—_________, but I promised to go swimming with Eric.