--Why does the lake smell terrible? -- Because a large amount of water_______.
#99621
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
－Have you known Dr Jackson for a long time?－Yes，since she the Chinese Society．
#102003
A
has joined
B
joins
C
had joined
D
joined
Excuse me, Marcia, a reporter from Vanity Fair ________ all day. Could you speak to her now?
#104949
A
phones
B
has phoned
C
has been phoning
D
phoned
Large quantities of water , as well as some other timely help including a medical team, _____ since the serious drought hit Yunnan Province.
#100131
A
has offered
B
had been offered
C
have been offered
D
is offered
If you plant watermelon seeds in the spring, you __ fresh watermelon in the fall.
#103746
A
eat
B
would eat
C
have eaten
D
will be eating
Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.
#102473
A
are to challenge
B
may be challenged
C
have been challenged
D
are challenging