—Kangkang, can you see a few people _____ Chinese kung fu over there?—Oh, yes. They’re cool!
I don’t know if he ______ me. If he ______ me, I won’t go to the party.
A teacher may also make a mistake if he or she is not _______.
They _______ many happy hours _______ along the beach during the holiday.
If we want to be a _____ visitor in a foreign country, it is important to know how to ask for help ________.
— Could you please tell me ______ just now? — Sorry, I was busy with my work.