So much had changed, so many things had been______, and we tried so very hard to
[单选题]The central government has been working hard to keep China’s economy _____.
The living conditions on the deserted island were really hard; they had so much
We have been practicing for so long and so hard that our team should ____ winnin
[单选题]She has been working hard day and night during these years ______ she could
[单选题]The machinery had been wrecked so efficiently that police were sure it was
[单选题]The machinery had been wrecked so efficiently that police were sure it was
[单选题]The machinery had been wrecked so efficiently that police were sure it was
[单选题]The machinery had been wrecked so efficiently that police were sure it was
[单选题]The machinery had been wrecked so efficiently that police were sure it was