[填空题]It was the first time they (invite) ______ us to dinner.

[填空题]It was the first time Rebecca (invite) （）us to dine out.

[填空题]It was the first time Rebecca (invite)（）us to dine out.

[填空题]It was the first time Rebecca (invite) （） us to dine out.

[填空题]It was the first time Rebecca (invite) ______ us to dine out.

[填空题]It was the first time that she ______ (invite) to the party.

[填空题]That was not the first time he had betrayed us. I think it’s high time______(我们对他采取有力措施).

[单项选择]The first time I tried shark-fin soup was at Time Warner’s annual dinner in Hong Kong. Shark-fin soup is a luxury item ($100 bowl in some restaurants)in Hong Kong and Mainland China, its biggest consumers; it’s a dish that embodies east Asia’s intertwined notions of hospitality and keeping (or losing) "face". "It’s like champagne", says Alvin Leung, owner of Bo Innovation, a Cantonese restaurant in Hong Kong. "You don’t open a bottle of Coke to celebrate. It’s a ritual. "
Unfortunately, this gesture of hospitality comes with a price tag much bigger than that $ 100 bowl. All told, up to 70 million sharks are killed annually for the trade, despite the fact that 30% of shark species are threatened with extinction. "Sharks have made it through multiple mass extinctions on our planet, " says Matt Rand, director of Pew’s Global Shark Conservation division. "Now many species are going to go the way of th
A. large creatures tend to extinct more quickly than smaller ones such as tuna
B. low breeding capability of shark is the vital reason for its endangerment
C. the measures taken to battle against finning are not so successful
D. westerners show no interest in shark-fin soup