Climbing Mount Tai great skills and not without risk.
#102025
A
requires; is
B
required; was
C
required; are
D
required; were
推荐题目
Look! There is a whole crowd of people over there．Go and see what __________ and if it is a bargain，buy it．
#99582
A
is selling
B
has been selling
C
is being sold
D
has been sold
--Remember the first time we met?---Sure. You _____________ the novel Gone With the Wind in the library.
#101430
A
had borrowed
B
have borrowed
C
were borrowing
D
borrowed
I feel so excited! At this time tomorrow, I ________ by camel with local guides in Northern Africa.
#101224
A
travel
B
travelled
C
will be travelling
D
have travelled
Measures have been taken to prevent the accidents, but much _____ for more improvement.
#101771
A
remains to be done
B
is remained to do
C
remains to do
D
is remaining to be done
—What’s the price of petrol these days?—It ________ frequently since last year.
#99445
A
is arisen
B
increased
C
has been rising
D
has raised