is known to us all, Germany is ______ European country.

. Mary was only too ready to help others, seldom, _____, refusing them when they turned to her.

Is Ann knocking at the door?— No, it ______ be Ann. She has gone to Beijing.

______ Saturday morning, I cleaned my room. ______ the afternoon I did some reading.[ ]

He ________be at home because the light in his room is on.