Difficult _____ in practice, this new technique hasn’t been applied.
#91010
A
operated
B
to be operated
C
operating
D
to operate
推荐题目
At least ten people were injured in the accident,two girls .
#97785
A
contained
B
included
C
including
D
were included
Ann lent me an interesting novel________by Mark Twain this morning and I am very________with her kindness.
#95302
A
written；pleased
B
being written；pleasing
C
was written；pleased
D
to be written；pleasing
Is it normal that in September hotels near universities are overcrowded, _____ many parents from a distance nowhere to stay but to sleep on the playground ?
#96031
A
to leave
B
left
C
leaving
D
leave
Agriculture officials this week said strict control pressures are in place,___to prevent the red fire ants spreading across the country.
#98190
A
intended
B
intending
C
to be intended
D
having intended
We walked as fast as we could _____ to catch the train.
#98331
A
hoping
B
to hope
C
we hoped
D
being hoped