问题

You will find _______ useful to learn even a little English.
A:a
B:the
C:/
D:an;
B:the
C:/
D:an;
正确答案是:
同类题型
The new law states that people ________ drive after drinking alcohol.[ ]
Scientists are convinced___the positiveeffect of laughter___physical and mental health.
Alice, would you mind not playing the guitar I ______ on the phone.– Oh, sorry, mom.
The disabled young man believes that his dream to get his novel published is___________ to come true