Most Americans remember what they were doing when the World Trade Center in New York was ________ by terrorists.
A.turned down B.taken down C.fallen down
— Why are you so uneasy?
— I've ________ all my bedroom but I still can't find my key to my bike.
A.looked for B.found C.searched
John ________ in this beautiful city for ten years while he ________ to Beijing in two days.
A.was; moved B.has been; will move C.has came; moved
— May I have a glass of orange, please?
— Sorry, there's ________ left, but would you like some water instead?
A.none B.nothing C.no one
— Hi, Mike. How can I improve the reading speed?
— Reading the whole article first and finding out the key words you should pay attention to ________ you a lot.
A.helping B.helps C.will help
— Why don't you go to the beach to enjoy the sunshine?
— Didn't you see me? Oh, I just arrived late ________ the beach.
A.for B.at C.to