Once you want to do something, you must get down _____it well.    (    )
#89667
A
do
B
doing
C
to do
D
to doing
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—The water was running all night long.—Yes. It seemed that John ______ . He was the last one to leave the lab.
#94188
A
was to be blamed
B
was to blame
C
had been blamed
D
should be blamed
_____ to try his fortune abroad, he left for America.
#89961
A
Having determined
B
Being determined
C
Determined
D
To determine
Before he came , I’d finished _______ the whole book. 
#95608
A
to read
B
to have read
C
reading
D
read