---What do you think of the book? ---Oh,excellent. It's worth____a second time. A. to read B.to be read C, reading D,being read
—Mum, I’m going to take my driving test tomorrow.—_____ I’m sure you will pass it.
It’s necessary for you to _____ at least an hour each day to learn the new vocabulary.
—I have to ask a(n) _____ of you because the luggage is too heavy for me.—Oh, with pleasure.
Many ordinary people fought against _____ in order to create a fairer society.
— How do you like Guilin?— It is the most beautiful place ______ I have ever been to.