______ difficulties should be taken into account.A.Some theseB.All suchC.These allD.Such a

外语类 已帮助 人

______ difficulties should be taken into account.

A.Some these

B.All such

C.These all

D.Such all

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。