Unit3 Tomorrow’s World單元學案
6、jason has been preparing carefully for his english examination so that he could be sure of passing it at his first _________. a purpose b desire c attempt d intention 7、john and i ________ friends for eight years. we first got to know each other at a christmas party. but we ________ each other a couple of times before that. a had been; have been b have been; have been c had been; had seen d have been; had seen 8、i ________ while reading the english textbook. luckily, my roommate woke me up in time. a had fallen asleep b have fallen asleep c fell asleep d fall asleep 9、now that she is out of a job, lucy _________ going back to school, but she hasn’t decided yet. a had considered b has been considering c considered d is going to consider 10、the mayor of beijing says that all construction work for the beijing olympics ________by . a has been completed b has completed c will have been completed d will have completed 11、the first use of atomic weapons was in 1945, and their power ________ increased enormously ever since. a is b was c has been d had been 12、more patients ________ in hospital this year than last year. a treated b have treated c had been treated d have been treated