Tony answered all the questions ________ the most difficult one.
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.
--Must I clean the classroom now, Miss Wang? --No, you needn’t . It by Bill.
----I hope the spring in Chongqing can last longer----Me, too. The weather is fine and beautiful flowers _______ everywhere.