We think Betty the best student. The sentence structure is ______.
—How long have you learned English? —So far, we ________ English for more than six years.
Timmy likes Chinese very much. He can’t stop ________ it every day.
We are _____ to see so many interesting books in the library. Now we have _____ to read.
—What do you usually use your computer ________? —I usually use it to search for information.
—Must I leave for the meeting now? —No, you ________. There’s much time before the meeting.