The project is so designed that once _______ nothing can be done to change it．
| A．starts | B．having started | C．started | D．starting |
—Do you think I should go to the seaside for a rest?
—____________ .You have been busy for such a long time.
| A．It depends. | B．It’s up to you. | C．What about you? | D．Why not? |
—You hate Lee, don’t you?
—_____ I just think he’s a bit annoying, that’s all.
| A．Certainly. | B．Not exactly. | C．Of course. | D．Why not? |
--- The price is fine with me. How would you like ____ paid?
--- Well, it’s up to you.
| A．this | B．that | C．it | D．one |
She’s in a hopeless situation, ___ we will keep a very close eye on.
| A．where | B．when | C．which | D．that |
People who exercise _____ are less likely to feel stress.
| A．regularly | B．formally | C．mostly | D．publicly |