问题

It was really ________ of your brother not to play theguitar while you were preparing your lessons

A:am to blame
B:are toblame
C:am to be blamed
D:are to be blamed

正确答案是：

同类题型

From his _______expression, we can guessthat the problem maybe was quite _______.

Spring is coming and there ________ flowers everywhere.

you haven’t been acting likeyourself. Everything OK— _______ .

Most of the evidence was destroyed in the fire ______, it would be almost impossible to prove Jim guilty

I paid only 5 pounds for the book , _______I expected it would cost