We began to open to the outside world in the late 1970s.    ,there have been great changes in the country.
#68342
A
As a result of
B
As a result
C
First of all
D
After all
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    , our class beat theirs in the football match. 
#67603
A
In our delight
B
In our delights
C
To our delight
D
To our delights
They are ___ the old houses in order to set up a new teaching building.
#81972
A
tearing down
B
tearing up
C
putting up
D
putting down
 I want to leave now; I can’t ____ nothing useful here.
#74378
A
stand to do
B
stand doing
C
stand being done
D
stand to be doing