To save class time, our teacher has ________ students do half of the exercises in class and complete the other half for our homework.
Difficult as the question was, David ____ to find an answer.
Dickens visited America in 1842, publishing American Notes on his return and ____ his experience in another book.
.____ the news, so far, has been good, there may be bad days ahead.
—We’d better go downstairs right now for lunch. —____ They serve food 24 hours a day.
The traffic slowed down because of the heavy snow in Yushu County, presenting a new ____ to the recovery from the earthquake.