The two biologists debated ____each other for years ______ the origin of species.
A. with; about B. about; for C. between; over C. to; for
John rushed out in a hurry, ___________ the door ____________.
A. leaving; unlocked B. leaving; unlocking
C. left; unlocked D. sang; singing
Mrs. Brown was much disappointed to see the washing machine she had______went wrong again.
A. it repair B. it repaired C. had repaired D. to be repaired
---What is our earth like ________from the moon?
---Well, our earth, with water ________ 70% of its surface, appears as a "blue ball".
A. seen; covering B. seen; to cover
C. seeing; covered D. seeing; covering
I’d rather have a room of my own, however small it is, than a room with others.
A. to share B. to have shared C. share D. sharing
It was raining heavily. Little Mary felt cold, so she stood_____ to her mother.
A. close B. closely C. closed D. closing
