1. —Perhaps you have heard our products. Would you like to know something more? —_________________
a. Sure. Go ahead.
b. I don’t need anything.
c. I‘ve heard lot about you.


2. —Could you give methe?brochure for that machine? — ________________
a. Yes, here you are.
b. No, thanks.
c. Yes, please.


3. —How about having a drink? —_________________
a. Good idea.
b. Me too.
c. Help yourself.


4. We?_________?to?deliver?the?goods?within?a?week.?
a. assure
b. guarantee
c. guard


5. The?Cheetah?robot made by MIT's scientists can jump over hurdles while __________.
a. it running
b. running
c. be ran


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