你可能感兴趣的试题
put made up made of decided
not to ask not asking don’t ask not ask
not to ask not asking don’t ask not ask
discussing about discussing talking to talking
to understand be understood understood understanding
As if As long as Because While
Why not What about Try to You should
it is; without it was; with it; without that is; with
pronounce pronunciation noise voice
English is difficult to be learnt the English is difficult to learn the English language is difficult to learn English language is difficult to learn
such a difficult problem that so a difficult problem as so difficult a problem that as difficult a problem as
it is; without it was; with it; without that is; with
too much difficult difficult too much much too difficult too difficult much
answer answering to answer answered