With the change of the economic foundation the entire immense superstructure is _____ rapidly transformed.
To tell ______ truth, he is at ______ loss what to do currently.
Your cousin is said ________ a new computer program recently, but do you know when he will finish it?
-- I just can’t stop worrying about the result of the job interview. --_______ . There’s nothing you can do now but wait.
The villagers, _______ had been damaged by the flood, were given help by the Red Cross.
I’ll probably come to see you on Sunday; ________, it will be on Monday.