问题

Mr. Wang made up his mind to devote all he could ____ his oral English before going abroad .

A:improve
B:to improve
C:to improving
D:improving;

正确答案是：

同类题型

The lecture mainly deals with the trouble youngchildren have _______ right from wrong

John thought it wouldn’t be longhe was ready for his new job

We should consider the students’ request _____ the school library provide more books on popular science.

.— His name is Mike

The weather in China is different from____