The old couple are now quite ______ as their son is out of danger.
| A．with ease |
| B．at ease |
| C．at stake |
| D．at last |
I was disappointed to spot the seller ________ in the deal and decided to deal with another one.
| A．to cheat | B．cheating | C．cheat | D．cheated |
---Where did you get to know Jason?
---It was at the library _______ I used to do my homework.
| A．that | B．there | C．when | D．where |
Bob said he was going to join our club but he didn’t. He _______ his mind.
| A．can’t have changed | B．wouldn’t have changed |
| C．must have changed | D．should have changed |
Come and visit me whenever _______.
| A．you are convenient | B．you will be convenient |
| C．it is convenient for you | D．it will be convenient for you |
_______will Mr. Black be able to regain control of the company.
| A．Only by working hard | B．Only he works hard |
| C．With hard work | D．Only if work hard |