—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 |
Along with the letter was his wish _______ he would visit me this coming vacation.
| A．which | B．that | C．what | D．whether |
----Silly me ! I forgot what my luggage looks like.
----What do you think of _____ over there?
| A．the one | B．this | C．it | D．that |
______the website of www．google．com, and you will learn a lot about Obama’s first official visit to China．
| A．Searching | B．To search |
| C．Having searched | D．Search |
He’s ________ to fail the exam if he doesn’t do any revision.
| A．near | B．fit | C．bound | D．easy |
Many people believe we are suffering from environmental disaster _____we radically(彻底地) change the way we live.
| A．but | B．although | C．unless | D．so |