Kangjian, ________ from Shanghai, found it ________ to avoid buying products made in China when he visited San Francisco.
A.a 17-year-old boy, hard B.17 years old, hard C.17-year-old, hardly
After so many years of learning, I realize one important thing. Only after thinking a problem over ______ remember it exactly for a long time.
A.I can B.will I C.I should
—What is the biggest challenge in your language learning?
—I can’t pronounce ___________ of the words that I’m not familiar with fluently, especially those long ones.
A.some B.any C.all
—Why don’t you put the watermelon in the fridge? It may have gone bad!
—Keep ________ cool, please. I did keep ________cool in the fridge and I’ve just taken it out.
A.yourself; its B.your; its C.your; it
________ the end of World War II, the whole world has developed in a rapid way especially in information technology.
A.Since B.At C.In
My friend Marcus is such a humorous and wise person that he can always think of a way to make everybody happy even when they get into _________ embarrassing situations.
A.a B.an C./
