—How long _______it _______ you to work out such a difficult problem? —About thirty minutes. A. did… take B. does… take C. did…cost
—You look very sad. What’s wrong? —Don’t worry. There is _______.
In the early 1800s, many workers called Monday “_______ Monday”.
Han Wenda is very funny and he often makes his classmates _______.
It was raining hard _______ I got up this morning.
You are right. We all agree _______ you.