Laughter, along with an active sense of humor, ______ protect you against a heart attack, according to a recent study.
#100012
A
have helped
B
helped
C
help
D
helps
推荐题目
Had the weather been good, the children ____ out for a walk.
#102726
A
had gone
B
could have gone
C
would go
D
went
My headache _____ me．I thought it was going away, but it is getting worse and worse．
#101274
A
kills
B
is killing
C
was killing
D
killed
I_______ your advice, otherwise I couldn’t have carried out the plan on time.
#104825
A
take
B
have taken
C
took
D
had taken
As soon as I got on the bus I realized that I________ my papers in the house.
#103345
A
left
B
was leaving
C
had left
D
have left
---It was dangerous to throw that bottle out of the window. You could have hurt someone.---I’m so sorry! I _______ .
#100805
A
am not thinking
B
wasn’t thinking
C
haven’t thought
D
don’t think