If we _________ now to protect the environment, we’ll live to regret it.
#100580
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
推荐题目
--- How did your students express their thanks to you on Teachers’ Day? --- A gift, together with many flowers ______ sent to me by my students.
#101979
A
is
B
are
C
was
D
were
– Why does she look so tired?-- She ________ all the morning and she still hasn’t finished it.
#104525
A
cleaned
B
was cleaning
C
has been cleaning
D
has cleaned
______ of danger in the street at night, she had to go home, with a friend _____ her.
#101448
A
Warned ; accompanied
B
Warning; accompanying
C
Having warned; accompanied
D
Having been warned; accompanying
Lionel Messi, ______ the record for the most goals in a calendar year, is considered the most talented football player in Europe.
#100599
A
set
B
setting
C
to set
D
having set
---What’s that noise? ---Oh, my God! I ________ to turn the tap off after I brushed my teeth.
#102233
A
forget
B
forgot
C
was forgetting
D
had forgotten