问题

his ability of speech, he has madeuse of each chance.

A:To improve
B:Improving
C:Being improved
D:Improved

正确答案是：

同类题型

What season is your favourite—I like __________ best because the weather is very cool.

下列语句中，标点符号使用正确的一项是（3分）（）

对下列各项中特殊句式不相同的一项是

China ________ food and drinks ________ the people in Philippines(菲律宾) last month .

Do you have time _____the weekend