Have you seen a tall boy ______ a basketball ______into the building?
| A．has; run | B．have; running |
| C．with ; run | D．with; running |
---- What do you think of haze(雾霾)？
---- It ____ us we all must try to do something to stop the air pollution.
| A．leads | B．introduces | C．cheats | D．reminds |
This book is as _____ as that one. Each of them has 70 pages.
| A．thick | B．heavy | C．wide | D．huge |
—Excuse me, but can I sit here?
—_________.The man who sat here will he hack soon.
| A．Yes, please | B．You're welcome |
| C．No problem | D．You'd better not |
Each of the club members ________ready to help those who were in trouble.
| A．is | B．are | C．was | D．were |
Bob often says that swimming is _____________ than hiking in reducing weight, but he alwaysspends more time on swimming.
| A．less useful | B．less interesting |
| C．more useful | D．more interesting |