_____ many times, but he still doesn’t know how to operate the machine properly.
#92970
A
Although I have shown him
B
I have shown him
C
Having been shown
D
Having shown
推荐题目
Melissa, __________ the alarm clock for 6 o’clock, or you will oversleep and be late for the train.
#92100
A
setting
B
sets
C
set
D
to set
There is no ____ that 100 years ago animal testing was cruel, but today animals in experiments are very well taken care of.
#92503
A
point
B
wonder
C
use
D
doubt
–What’s the noise ? It sounds as if it comes from upstairs. --______. It must be the window-cleaner working , next door.
#93541
A
I’m not sure
B
I hope not
C
I’d rather not
D
I don’t think so
---Little Tom got an “A” in the exam.--- ___ he’s been so happy these days.
#93322
A
No wonder that
B
I wonder why
C
It is a wonder that
D
Because
(2014·枣庄模拟)—He should have been warned of the danger.—________，but he wouldn’t listen to me.
#91868
A
So he had
B
So had he
C
So was he
D
So he was