With the development of economy, even people in remote villages can have________to computers.

Global warming is a big _______ for all and it’s important to raise awareness about climate change.

It’s a major         for Obama and his national security team, to fulfill the goal once voiced by Obama’s predecessor, George W. Bush, to bring to justice the mastermind （设计者）of the 9-11 attacks.

The salmon dish was _______, wasn’t it?

When travelling, you should take traveller’s check, which provide a secure______to carrying your money in cash.