He found () difficult to work out the problem in such a short time.A.that B.it C.so D.this还有一道：There are some low mountains () the coast.(填一介词）要讲解,

分类: 作业答案 • 2021-12-19 14:53:05

问题描述：

He found () difficult to work out the problem in such a short time.A.that B.it C.so D.this
还有一道：There are some low mountains () the coast.(填一介词）要讲解,

答