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... we get to the top of this hill, the path gets much easier.
A At the time
B Eventually
C Once
D Finally
… at the meeting, we saw John standing alone.
a. Arrived
b. We arrived
c. Arriving
d. We were arriving
They directed that the factory building …
a. must pulled down
b. to be pulled down
c. should be pulled down
d. should pull down
Joe’s fear of enclosed spaces … from a bad experience he had when he was a child.
a. stems
b. leads
c. starts
d. flows
They couldn’t decide … it was worth re-taking blood test.
a. although
b. whether or not
c. even
d. if or not