Many provinces have been hit with smog. If _______ unsolved, the problem may lead to more serious results.
#80140
A
having left
B
to leave
C
left
D
leaving
推荐题目
My former class teacher asked me to go and see him whenever _________.
#79635
A
I will be convenient
B
it will be convenient
C
I am convenient
D
it is convenient
_______ and I’ll get the work finished.
#81064
A
Have one more hour
B
One more hour
C
Given one more hour
D
If I have one more hour
If you don’t go swimming this afternoon, she won’t go. _____.
#83013
A
Nor shall I
B
Neither do I
C
So shall I
D
I do neither
---What should I do to lose weight? ---________ more vegetables and less fat.
#82361
A
To take
B
having taken
C
Taking
D
Take
—— The old man wouldn’t stay at home for a rest even if it rained. —— ＿＿＿＿.He would feel sick if he stayed home for one day.
#83931
A
So would my grandpa
B
So wouldn’t my grandpa
C
Neither would my grandpa
D
Nor wouldn’t my grandpa