The scientists ________ on the new medicine for two years. They will succeed in no time.
—The Dragon Boat races are so exciting,but our boat is still behind.—Don't worry.I am sure ______ our team will win!
After a 3week winter vacation,students usually ______ some weight when they return to school.
—Look at the photo I took in Jinghong,Yunnan Province.______ the Dai people were having!—Wow!They were celebrating the Water Festival.
You should learn to think while reading.Usually,behind the lines ______ the writer's true meaning.
After working her way around the world,Annie ended up ______ English as a foreign language.