What’s your plan for this winter vacation?—I’ll take an express train to Shanghai for my holiday ___________ school ends.

In his lecture, the professor referred to the belief ________ the elderly are wise, ________ is particularly dominant(支配的) in Chinese culture.

Would you like to go for apicnic with us .—– __________ . But I am too busy.

Mark Twain _____ along the Mississippi River, which was _____ to his writing.

–Why did you come so late for work—–I was ________ for 15 minutes on theway here in the traffic jam