Nearly three months had gone by ______ theseriously injured girl showed a slight sign of recovery.

Boris has a good brain. In fact, I don’t think that anyone in the class has________ IQ.

Can you help me clean the classroom—___________.

Jack, you ________ the window quickly, will you? —- Ok! Oh! The window ________ broken.

Look at the girl in the red skirt. ______is my newclassmate.