The teacher said that Columbus _______America in 1492.
#102954
A
discovered
B
found
C
had discovered
D
had found
推荐题目
—Watch!  —I ____ but ____ I ____ anything unusual. 
#104209
A
watched; have watched
B
have watched; am not seeing
C
was watching; wasn’t seeing
D
am watching; don’t see
As the supermark_______, allthe goods are sold at half price.
#104887
A
has closed down
B
is closing down
C
closed down
D
had closed down
---I      for London to attend a meeting tomorrow. The plane      at 10:20 am. ---Have a good journey!
#101727
A
am leaving; leaves
B
leave; leaves
C
am leaving; is leaving
D
leave; is leaving
----Why ? Where’s the key to the meeting room? ----Dear me! You ______it in the taxi!
#104586
A
had never left
B
didn’t leave
C
never left
D
haven’t left