_____ 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
Both she and her friends liked travelling. She traveled a great deal, ________.
#92020
A
nor did most of her friends
B
did as most of her friends
C
as did most of her friends
D
so do most of her friends
— Oh, how depressed! I’m bound to lose to him in tomorrow’s competition. —Cheer up! In fact, he is _________ than you.
#92151
A
not more nervous
B
no more nervous
C
no less nervous
D
a little less nervous
(2009宁夏银川模拟) In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets. 
#95057
A
that some scientists say
B
in which some scientists say
C
some scientists say that
D
some scientists say
You should remember that the harder you work, __________.
#92546
A
the higher marks you will get
B
the higher you will get marks
C
you will get the higher marks
D
you will get the marks higher