Smoking is not allowed in our school, so it may be a good chance for our math teacher to_______ smoking.
Do you know Neil Armstrong? —- Yes, he is the first man ___ on the moon..
Simon, don’t give up easily. It’s ______________ to lose the chance. –Thanks. Your suggestions are ___________.
Hi, Peter. Tomorrow is Sunday. Would you like ______ with me?—Yes. Thanks .
Is the Great Wall a wonderful place?—Yes, tourists come here for a visit every year.