It _____ last week that the haze(雾霾)in Beijing caused many problems.
#38853
A
reports
B
reported
C
is reported
D
was reported
推荐题目
He asked if she ________ Jack.
#42197
A
knows
B
knew
C
knowing
D
known
Thank you for ______________ me about it.
#40611
A
tell
B
to tell
C
telling
D
told
–Did you go to Jack’s birthday party? -- No, I ________. 
#40040
A
am not invited
B
wasn’t invited
C
haven’t invited
D
didn’t invite