[单项选择]The professor can hardly find sufficient grounds ______ his argument in favour of the new theory.
A. for which to base
B. on which to base
C. which to be based on
D. which to base on

[单项选择]The professor can hardly find sufficient grounds（）his argument in favor of the new theory.
A. which to base on
B. on which to base
C. to base on which
D. which to be based on

[单项选择]The government official can hardly find sufficient grounds ______ his arguments in favor of the revision of the tax law.
A. on which to base
B. which to be based on
C. to base on which
D. on which to be based

[单项选择]You can hardly imagine how difficult （　） to find a decent job at a big company.
A. is it
B. it is
C. she is
D. is she

[填空题]places an emphasis on something that can hardly be learnt at school (71)
is particularly helpful for those who fear changes (72)
tells readers it doesn’t follow that those who don’t have good academic achievement will not make a fortune (73)
is not written by a single writer (74)
tells a very simple story but it contains some messages (75)
seems not to express ideas straightforward (76)
is written by the one who also wrote a lot of other works with other writers (77)
is probably full of facts (78)
is not only statistical but also interesting (79)
is not related to finance

[填空题]People can hardly ever observe a Rossby wave since it doesn’t occur on the surface and the process is very slow.

[单项选择]He can hardly understand what the teacher has said, ______.
A. nor shall I
B. neither can I
C. so do I
D. so I can

[单项选择]It is obvious that Jack can hardly understand the instructions of the mobile phone he is reading.
A. 杰克显然看不懂他正在阅读的手机说明书。
B. 杰克费了很大劲才看懂本来很明显的手机指令。
C. 显然，杰克努力去理解他正在阅读的手机指令。
D. 显然，杰克再费力也看不懂他正在阅读的手机说明书。