（题文）Don’t run ____in the classroom.It may disturb other students.
A. more or less B. up and down
C. sooner or later D. to and from
（题文）Soon his warm smile put me ____,and we spent the next 2 hours talking freely.
A. at eases B. for ease of
C. at ease D. with ease
I attended many social _____while working abroad.
A. meetings B. functions
C. weddings D. committees
On receiving a phone call from his wife ____she had a fall, Mr Gordon immediately rushed home from office.
A. says B. said
C. saying D. to say
_____ to give up smoking, he threw away his _____ cigarettes.
A. Determined; remained B. Determined; remaining
C. Determining; remaining D. Determining; remained
______from space , the earth looks blue .
______from space , we can see the earth is blue .
A. Seen B. Seeing
C. To see D. See
