By the time my mother came back from work, my sister and I ________ supper and were waiting for her at the table.
#101144
A
have cooked 
B
were cooking
C
had cooked
D
would cook
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She can’t ______ having nothing to do.
#101036
A
lie
B
stand
C
seat
D
run
The harder you_______ , the greater progress you______ . 
#103025
A
will study; will make
B
will study; make
C
study; make
D
study; will make