He seldom stays up late at night, _______ he has too much work to do.
-How often do you go to the movies ?-________,but not often.
Why does Liu Tao look all day long?
We __________ used computers many years ago, but now they’re everywhere.
—Can you tell the differences between these two pictures?—Differences? Oh, no. They look quite____________.
There’s rain on the road, so she should drive carefully.