Although James Cook   the first westerner to have discovered Australia,New Zealand and Hawaii,his travels led to the creation of more accurate and reliable maps for vast parts of the world.
#89166
A
isn’t
B
wasn’t
C
must have been
D
may not have been
推荐题目
We would have called a taxi yesterday if Harold ______us a ride home.
#87308
A
didn't offer
B
wouldn't offer
C
hasn't offered
D
hadn't offered
 They didn’t turn up at the meeting yesterday. Otherwise, they _________ the report. 
#87558
A
had listened to
B
would listen to
C
should listen to
D
would have listened to