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 |
—The door is still open.
—How come? I mean, I _________ to lock it then.
| A．remembered | B．would remember | C．remember | D．had remembered |
English songs are fun. But ________ that, they’ll help you improve your English skills.
| A．other than | B．more than | C．rather than | D．regardless of |
Today’s consumer is clearly not interested in saving for a rainy day, _____ was the case in the past.
| A．as | B．when | C．about which | D．it |
Every year，nearly 270 million pounds of grapes arrive in California，most of them _______ from Chile to the Port of Los Angeles.
| A．are shipped | B．is shipped | C．shipping | D．shipped |
—Kobe Bryant, the King of the Court, has suffered ______ he calls the worst ankle injury in his 16-year career.
—Will he rise again?
| A．which | B．that | C．what | D．when |