Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.
| A．can’t have been | B．can’t be |
| C．mustn’t have been | D．mustn’t be |
We the manager , but no one the telephone number .
| A．could have called ; knew | B．could have called ; had known |
| C．could call ; had known | D．could call ; knew |
He is running the wind Tom running the right .
| A．down ; and ; on | B．against ; with ; on |
| C．for ; with ; in | D．with ; while ; to |
No progress was made in the trade talk as neither side would accept the condition of .
| A．others | B．the other | C．either | D．another |
The shop is just around the corner and you won’t miss it .
| A．bicycle’s | B．bicycle | C．bicycles | D．bicycles’ |
Some people fear that air pollution may bring about changes in weather around the world .
| A．/ ; the | B．the ; / | C．an ; the | D．the ; a |