--- Did you notice him come into the hall?--- Sorry, sir. I _______ with my friends online.
—What about _________ to the China Science and Technology Museum? —That sounds __________ ,but it’s too far away
There are_________ advertisements on Channel 7 than on Channel 8.
The bridge is made _________steel, ______ it?
We have some books. But we need________.
They clapped and shouted______ when they saw YaoMing appear on the playground.