The letter was so short that I finished it at a __________.

The letter was so short that I finished it at a __________.
sight
glance
eye
sign
It might have been in the park __________ I lost my key.
where
that
which
how
The teacher asked a difficult question.Finally John came __________ with a correct answer.
off
up
round
through
Don't be surprised,It was __________ of her to say that.
normal
usual
typical
typified
Students in middle sch∞1 should be __________ from smoking.
prohibited
permitted
forbidden
forgiven
At least 80 persons were injured,__________ five policemen．
concerning
including
regarding
involving
To accept the appointment would __________ living in London.
prefer
involve
include
ensure
We've all had a very __________ day let's go to bed.
tired
tirement
tiring’s
tiring
Frank_________a letter with the English novel which he sent to me.
enclose
is enclosed
encloses
enclosed
Be quick!Your mother is waiting __________ .
downstair
down stair
downstairs
down stairs
Make sure that you stick __________ the same story when you are questioned a second time .
at
on
up
to
The poor girl was so frightened that she could do __________ but stand there weeping.
something
anything
everything
nothing
__________ the homework.
No every students do
No every students does
Not every students do
Not every student does
Don’t be so __________ to old people．
coarse
rude
rough
harsh
Fred could finish his work in less time if he were more __________ .
effective
stubborn
efficient
depressed
My grandfather owns a __________ vase.
large German brown and antique
German large brown and antique
large antique brown and German
large antique German and brown
They will lend you our uniforms __________ you return them to us before Saturday.
only if
if only
unless
so that
Every Sunday I help my moth clean all the kitchen __________ .
implements
tools
instruments
utensils
“Child” has an __________ plural form ( 复数形式 )“Children"．
irregular
unregular
disregular
imregular
Being a manager,he has paid a lot of attention to the __________ in his factory.
effect
sufficiency
efficiency
capability