that she has gone to the United States?

　　　　　　you met the Englishman?

I don't think 　　　　　　　　difficult for a Chinese student to master a foreign language within five years

I don't know 　　　　　　makes her afraid of having her business discussed.

Nothing is wrong with the radio 　　　　　　?

—Did Li Lei call me while I was out?
　—Yes, it was 　　　　　　　that called you.

Has 　　　　　been decided when we are to hold the sports-meeting?

—Boy, 　　　　　　
　—It is, looks like spring is coming soon.
　—Yeh, It'll just be a few more weeks.

—Has the boy got his bicycle now?
　—Yes, the police gave 　　　　　　.

—My home is in that tall building over there.
　—　　　　　 ?