求英文高手解答I do not know him very well so I cannot tell exactly

求英文高手解答
I do not know him very well so I cannot tell exactly what it is ___ prevents him from making progress.
选项:
a、of which b、who c、what d、that
In this remote island, the people who had survived the ship accident made use of ___ for a living.
a、every means available b、every available means
c、every mean available d、every available mean
According to many learners, Chinese is not easy ___.
选项:
a、to be learned b、learning
c、to learn d、having learned
His attitude toward us seems ___.
选项:
a、nicely b、warmly c、kindly d、friendly
She ___ a post at Yale University.
选项:
a、took on b、took to c、took up d、took in
We have kept ___ our friendship by writing to each other, so we are true friends.
选项:
a、up b、back c、off d、down
We wrote an article last month, and it turns out to be a success, so we begin to work on ___ one this month.
选项:
a、another b、more c、the other d、other
In this factory each worker must receive a ___ training course.
选项:
a、two-month b、two months
c、two-months d、two-months'
He is uncertain about ___ to see her tonight.
选项:
a、which b、whether c、that d、what
I want to know what she ___ before I will vote for her.
选项:
a、stand for b、care for c、call for d、go for
The man ___ the gate when he realized that we had spotted him.
选项:
a、made off b、made out c、made for d、made up
The opening of a new school is always a great ___.
选项:
a、chance b、occasion c、incident d、opportunity
The star was ___ the scientist who found it.
选项:
a、looked after b、taken after
c、named after d、come after
It ___ that I met one of my old classmates on my way home yesterday.
选项:
a、took place b、occurred c、broke out d、happened
He suffered terrible injuries, but his courage pulled him ___.
选项:
a、out b、up c、through d、over
Nobody but a young woman ___ the airplane crash.
选项:
a、endured b、rejected c、survived d、lived
I prefer live in the countryside. Country life has a lot of ___ over city life.
a、character b、qualities c、advantages d、ways
I did not apply for a credit card last year, but I ___.
选项:
a、had applied b、should have applied
c、should apply d、would apply
Hangzhou is an ideal place to settle down after retirement ___ it has beautiful scenic spots nearby and a far slower pace of life.
选项:
a、provided that b、now that c、so that d、in that

1.d
2.b
3.c
4.d
5.a take on 承担
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