The operation room in every hospital has to ______ bacteria of any kind.
| A．keep free from | B．make it free from | C．be made free from | D．be kept free from |
____ he said to us yesterday____ true?
| A．What can, was | B．That can, was |
| C．Can what, be | D．Can that, be |
We will all appreciate____ you can come to join us in developing my hometown.
| A．that if | B．it if | C．it that | D．that when |
Though the ship sunk, all the people on her____ be resuced.
| A．could | B．should | C．had to | D．were able to |
With the doctor’s treatment, Sally feels____ better now.
| A．very | B．fairly | C．so | D．quite |
. Bob is____ honest boy, and he won’t tell lies.
| A．most | B．the most | C．a most | D．very much |