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
He hesitated(犹豫) for a moment before kicking the ball, otherwise he _____the goal.
#86703
A
had scored
B
scored
C
would score
D
would have scored
It is suggested that a doctor ____immediately.
#86426
A
be sent for
B
send for
C
is sent for
D
should send for
---John, how did your English exam go? -----I thought I ____,but in fact I came in the top 10% in the class.
#90317
A
should have failed
B
couldn’t have failed
C
might have failed
D
mustn’t have failed