It was only after he had read the papers Mr. Gross realized the task before him was extremely difficult to complete.
| A．when |
| B．that |
| C．which |
| D．What |
If we buy plenty of food now, it will _______ us shopping again this week.
| A．save | B．avoid | C．keep | D．prevent |
—I need to advertise for a roommate for next term.
—_______? Mary is interested.
| A．What for | B．Why not | C．So what | D．Why bother |
—Madam, the two pairs of shoes are the new arrival of this season.
—Well, I like _______. Do you have another pair?
| A．either | B．neither | C．both | D．none |
— May I take your order now, sir?
—_____ .
| A．Thanks, I’ve really had enough | B．Ok, here is my bill |
| C．Yes, I’d like some fish and chips | D．Sure, it’s delicious |
— Let’s have an outing tomorrow.
— Sorry. The final exam is drawing near and I am in a race _____ time.
| A．over | B．in | C．against | D．on |