____, the airport is closed at the moment.
| A．Because of the weather is bad | B．Due to the bad weather |
| C．Because the weather bad | D．As the bad weather |
— I will come to attend your lecture at 10:00 tomorrow.
— I’m sorry, by then my lecture will have ended and I _____ in my office.
| A．am working | B．will work | C．will be working | D．will have worked |
— Will you go to the World Expo in Shanghai by bullet train after the Examination?
—_______ I may go by air.
| A．Why not? | B．Not really. | C．How come? | D．Oh, great. |
There are two main sets of Games — the Winter and the Summer Olympics, and both are held every four years on a _________ basis.
| A．valuable | B．former | C．regular | D．swift |
The __________ to the rocket going into space went wrong, and as a result it exploded and fell into the sea.
| A．mark | B．sign | C．symbol | D．signal |
Put the cleaned fish in a mixture of 300g of salt and one liter of water to ________ all of the blood from the fish meat.
| A．replace | B．remove | C．calculate | D．spoil |