In order to find the missing child, villagers _______ all they can over the past five hours.
#100499
A
did
B
do
C
had done
D
have been doing
推荐题目
It is ________ the customers’ needs that has made chain stores so popular in big cities in China.
#103872
A
meeting
B
met
C
to have met
D
being met
--Have you found your book yet? --- No, I’m not sure where I________ it?
#103860
A
leave
B
had left
C
could have left
D
was to leave.
I'm tired out. I all afternoon and I don't seem to have finished anything.
#100550
A
shopped
B
have shopped
C
had shopped
D
have been shopping
－Oh, it’s Julia, I her!－She’s just make her hair cut and she is a new dress.
#101550
A
don’t recognize; having on
B
didn’t recognize; wearing
C
haven’t know; putting on
D
didn’t know; dressing
There ________ no water for 2 days, the travellers were all thirsty.
#103516
A
having been
B
had been
C
is
D
was