In order to find the missing child，villagers ________ all they can over the past five hours.(2012·安徽)
#99573
A
did
B
do
C
had done
D
have been doing
推荐题目
I ______ in Hangzhou for many years, but now I live in Beijing.
#101913
A
have lived
B
live
C
had lived
D
lived
His silence suggested that he_______the truth already.
#103909
A
should know
B
know
C
was know
D
had known
His arms were sunburnt because he in the sun all day.
#101147
A
had sat
B
sat
C
is sitting
D
had been sitting
The price of oil is increasing so rapidly.Indeed ! The oil prices____by 10 and 20 percent so far.
#101844
A
increased
B
increase
C
had increased
D
have increased