—I'm sorry I didn't make it to your party last night.
— __________. I know you're busy these days.
| A．Of course |
| B．No kidding |
| C．That's all right |
| D．Don't mention it |
—The two people speak different languages and can not communicate with each other well.
—Oh，I see.That’s ________ misunderstanding occurs.
| A．when | B．what | C．that | D．why |
It makes little difference to me ________we go or stay.
| A．whether | B．where | C．that | D．how |
The boss refused to sell the car for ________ he thought was not satisfactory.
| A．that | B．which | C．how | D．what |
________ wants to stay in a hotel has to pay their own way.
| A．Anyone | B．The one |
| C．Whoever | D．Who |
—Can we get everything ready by the weekend?
—It all depends on ________ we can get Mr.Green’s cooperation.
| A．that | B．what | C．whether | D．if |