— I think English is __________ unimportant subject.— I don’t think so. It is __________ useful tool when we talk with foreigners.
________ is difficult if you put your heart into it.
The man became a famous writer when he was ________.
—Did you give Tom a call?—I didn’t need to, _______ I’ll see him soon.
_____about the earthquake in Sichuan keep everyone in deep sorrow.(悲痛)
—_____________?—Quite well, thanks.