问题

Mr. Richard hasn’t got any time to play golf these days, because he is ______ in the research of bird language.

A:devoted
B:concentrated
C:buried
D:spared

正确答案是：

同类题型

Tom and Mary _______ to China last month.

It never _______to me that you could succeed in persuading him to change his mind.

Well ____ know him and well ____ knowme.

Many Chinese brands, ______ their reputations over centuries, are _______ new challenges from the modern market.

________ when thedoor burst ______.