— Why does the lake smell terrible?— Because large quantities of water ___

— Why does the lake smell terrible?— Because large quantities of water ____.

#85686

have polluted

is being polluted

has been polluted

have been polluted

推荐题目

I wonder whether the teacher is one of those who _______ to the mountain village to help the children there.

#85644

have sent

has sent

has been sent

have been sent

The famous singer and dancer____ our party this evening.

#85670

are going to attend

was to attend

were to attend

is going to attend

______ is to be awarded the highest award at this evening’s meeting.

#85711

Both the director and the writer

Both of the director and the writer

The director and the writer

The director and writer

The boy, rather than his friends, _________ for the accident.

#86200

are responsible

were responsible

be responsible

is responsible

While a huge amount of money ___been spent stopping pollution , large quantities of water_    _still heavily polluted．

#85937

have; is

has ;are

have; are

has ;has

共1265题