—Boy students, could you come downstairs to help me carry those books?— OK, Miss Liu. We ______. 
#100785
A
come
B
came
C
have come
D
are coming
推荐题目
-The window is dirty. -I know. It ___________ for weeks.
#99391
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
 I’ve won a holiday for two to Florida. I __ my mum.
#104421
A
take
B
am taking
C
have taken
D
will have taken
 It’s been years since I _____ myself so much.
#103535
A
enjoy
B
enjoyed
C
have enjoyed
D
had enjoyed
I asked him to come at seven o’clock, but he __________. It’s already eight o’clock.
#101586
A
didn’t show off
B
didn’t show up
C
hasn’t shown up
D
hasn’t shown off