问题

It ________ quite correct that happiness comes from thinking about things in a positive way. [ ]

A: has turned out
B: has been turned out
C: is turning out
D: is turned out

正确答案是：

同类题型

Much attention should ______ the environment and fighting against pollution

Has ____ how many spies we caught during the war ____ up to now?

You have made a few grammar mistakes in your essay but_________ you have done well[ ]

_______is known to us all is that Johnson broke his promise ______ he would come to help me as soon as possible.

He never reads anything ______ is not worth reading