It is difficult to tell what's real these days, as the lines between virtual real
It is difficult to become a telecommuter.
A.Right
B.Wrong
C.Doesn't say
It was______that he couldn't finish it alone.
A.a so difficult job
B.so a difficult job
C.such a difficult job
D.such difficult a job
(Witnesses) of the crime (find difficult) to explain (why) they (didn't) call the police.
A.Witnesses
B.find difficult
C.why
D.didn't
A、easy enough
B、enough easy
C、difficult enough
D、enough difficult
Lesson Three is (the most) difficult lesson, (but) it isn't (the) most difficult lesson (in) Book Four.
A.the most
B.but
C.the
D.in
This is a difficult book, ______?
A.is it
B.isn't it
C.isn't his
A.exactly
B.naturally
C.usually
D.especially
I couldn't ______ the lecture at all. It was too difficult for me.
A.take on
B.take in
C.take over
D.take upon
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