__________ these tips, and your time _______ doing research on the Internet _________ much worthwhile.
#92340
A
Following, will spend, is
B
Followed, spent, was
C
Follow, spent, will be
D
To follow, spending, has been
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_____, and the problem will be worked out.
#92561
A
If you have a bit more effort
B
Having a little effort
C
A bit more effort
D
There being a little effort
The driver drove _______ hit at a big tree and the car came to s stop.
#94756
A
too carelessly to
B
carelessly enough to  
C
so carelessly that he
D
so careless that he
The man didn’t know _________ the thief broke into the house and stole all his valuable things  
#93875
A
it was when that
B
when it was that
C
that it was when
D
was it when that
 I remember ________used to be a quiet village. 
#95072
A
when
B
how
C
where
D
what
It was not until the beginning of the twentieth century________to explore space.
#93086
A
did man begin
B
when man began
C
that man began
D
then man began