----Why didn’t you come to meet me, Bill?
----Sorry, dear. But I really forgot where I was _____ to meet you.
A. demanded B. supposed
C. delighted D. Squeezed
_______from the moon, our earth, with water _____about 70 percent of its surface, appears like a blue ball.
A. Seen; covered B. Seeing; covering
C. Seen; covering D. Seeing; covered
---Have you got any particular plans for the coming holiday?
---Yes. __________, I’m going to visit some homes for the old in the city.
A. If ever B. If busy C. If so D. If possible
---Have the arrangements for the concert next Saturday been all _______?
---Not yet. We haven’t found a free hand.
A. in store B. in trouble C. in turn D. in place
___________in the mountain for a week, the students were finally saved by the local police .
A. Having lost B. Lost C. Being lost D. Losing
There are some health problems that, when ____ in time, can become bigger ones later on.
A. not treated B. not being treated
C. not to be treated D. not having been treated