At the present time, more singing stars_______ to be difficult to work with.
| A．say | B．have said | C．are said | D．were said |
The book Robinson Crusoe ________ on the book by Daniel Defoe is well worth ______.
| A．basing, reading | B．based, being read |
| C．based, reading | D．to be based, to read |
If it was not an accident, he must have done it ___________.
| A．on purpose | B．for purpose | C．in time | D．with care |
Everyone will have to ______ a test before they are admitted to the university.
| A．come through | B．look through | C．pull through | D．go through |
Please ___ the money and I’m sure it will ___ more than 1,000 yuan.
| A．add; add up | B．add up; add up |
| C．add up; add up to | D．add to; add up |
The teachers were always trying to ______ the excited students at that time.
| A．calm down | B．set down | C．let down | D．turn down |