We laugh at jokes，but seldom about how they work．
#79995
A
we think
B
think we
C
we do think
D
do we think
推荐题目
Only after my friend came .
#81153
A
did the computer repair
B
he repaired the computer
C
was the computer repaired
D
the computer was repaired
—Did you know any French before you arrived in Washington? —Never ___ it, actually．
#81627
A
had I learned
B
have I learned
C
I learned
D
was I learning
Only _____ as an interpreter _____ how important it was to practise spoken English.
#80411
A
when did I work…I realized
B
when did I work…did I realize
C
when I work…did I realize
D
when I worked…did I realize
Not only _______ snacks and drinks, but _______ cards for entertainment when they had a picnic in the forest.
#82897
A
they brought; they also brought
B
did they bring; they also brought
C
brought they; did they bring
D
did they bring; did they also bring
Life is harder for Senior Three students throughout China．Hardly _____ endless exercises or tests．
#82556
A
does everyday go by with
B
does any day go by without
C
everyday goes by without
D
any day goes by with