—The experiment is of particular importance.
—I see. We will carry on with it ________ we can get enough money.
| A．unless | B．though | C．whether | D．until |
Dear Mom, I wonder if you ever knew how much I appreciated _____ you gave me even though I often simply said, “Thanks Mom.”
| A．all which | B．all that | C．in that | D．for that |
He made a mistake, but then he corrected the situation ________ it got worse.
| A．until | B．when | C．before | D．as |
Was it during the Spring Break_______ you went on a trip to Suzhou?
| A．when | B．that | C．in which | D．then |
A Belgian French-language daily has released _______ is thought to be Europe’s first 3D newspaper —complete with cardboard viewing glasses.
| A．which | B．where | C．that | D．what |
--- You ________ have bothered doing the washing-up. I could manage it myself.
--- That’s OK, No problem.
| A．wouldn’t | B．mustn’t | C．needn’t | D．couldn’t |