The doctor was busy _________ on the woman at that time.
A. operating B. operated C. to operate
There is long way to go for scientists to study _____space.
A.a | B.an | C.the | D./ |
-----How many times____Chang’e I____the moon ? ---Only once.It ____there last year.
A.did..,go to / has gone | B.had… gone to/went |
C.has… been to/went | D.has… gone to/has gone |
Last night I read _____book.
A.80--page | B.a 80--page | C.80 pages | D.an 80--page |
-----_____have you lived in Dalian?
-----Since two years ago.
A. How long B.How soon C.How often D how far
-----The boy made himself even _____.
A.more sucessfully | B.much sucessful | C.sucessful | D.more sucessful |