________ you make a mistake, you should not be embarrassed. After all, we are human beings.
| A．Should | B．Would | C．Had | D．Were |
Was it 80 years before Christopher Columbus crossed the Atlantic ______ Zheng He hadsailed to East Africa?
| A．when | B．that | C．after | D．since |
Time should be made use ______ meaningful things.
| A．of to do | B．of doing | C．to do | D．doing |
Last night, your mobile phone was always busy. I couldn’t ______ to you after several attempts.
| A．go over | B．get through | C．get along | D．go through |
At this time next year______ our holiday in Beijing..
| A．we’re having | B．we’ll be having |
| C．we’ll have | D．we’re to have |
—Would you like to come to my house to watch the Voice of China together?
—______.
| A．Great! I can’t stand it | B．Yes, I’d love to, but I don’t mind it |
| C．Good idea, but I’m not sure | D．Yes, I’d love to. I can’t wait. |