Difficult _____ in practice, this new technique hasn’t been applied.
A.operated B. to be operated C. operating D. to operate
— Did you watch the sunrise of Mount Tai last weekend?
— Yes. Luckily enough, when we climbed to the top of it, the thick fog began to _____ .
A. lift B. fail C. appear D. gather
— Come on! Let’s go to the net bar.
— What? _____ you ever want to do is going online.
A. Anything B. Something C. All D. That
Realizing the great renewal of the Chinese nation is just _____ we call “China dream”.
A. which B. what C. that D. where
— No words are strong enough to express our thanks for your help.
— _____.
A. It’s a pity B. My pleasure C. Never mind D. With pleasure
I bought a dress for only 10 dollars in a sale; it was a real .
A．exchange B．bargain C．trade D．business
