Scientists have found _____for oil as fuel. Coal, natural gas, solar power, nuclear power and even water can replace it as sources of energy.
| A．consequences | B．substitutes |
| C．requirements | D．contrasts |
You will see the products of Liu Ling alcohol________on every avenue of Baoding city.
| A． advertise | B． advertising |
| C． advertised | D． having advertised |
“He hasn't got any hobbies——_______you call playing games on computer a hobby.” Mr. Lin said.
| A． If | B． Unless | C． When | D． Since |
I work in a business______almost everyone is waiting for a great chance.
| A． that | B．which | C． where | D． why |
——There'll be billions of people to watch the Spring Festival gala on TV tonight.
——I know. The whole world______．It's a really wonderful event.
| A． watches | B． is watching |
| C． has watched | D． will be watching |
—— We expected you yesterday.
—— I'm sorry, I______you to say that I couldn't be here until today.
| A． should have called | B． must have called |
| C． could call | D． would call |