问题

At present of the experiments done in labs after the new building has been finished.

A:four fifth; is
B:four fifths; are
C:four fifth; are
D:four fifths; is

正确答案是：

同类题型

26 She is very diligent She often studies _____ into the night

Read the passage ______ which I__________in my talk.

The conflict had developed into a stage ________ the two countries were gathering big troops on the border.

1— Itake the book out?—I’m afraidnot.

Jack stood _______ except that his lips moved slowly.