--- The iPhone 6 has been on the market for some time. Have you got one?--- Yes, I ________one during my visit to Hong Kong.
I firmly believe, as long as Igreat efforts, my dream will come true sooner or later.
Peter will give me five sweets an apple, but in fact I don’t have a sweet tooth.
— The traffic is too heavy. Would you like me to help you the street? — That’s very kind of you.
Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.
Putting in a new window will ______ cutting away part of the roof.