An early typewriter produced letters quickly and neatly; the typist, _____ couldn't see his work on his machine.
#4494
A
however
B
therefore
C
yet
D
although
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The lost car of the Lees was found _____ in the woods off the highway.
#4501
A
vanished
B
abandoned
C
scattered
D
rejected
As is known, mobile phone make it possible for people to____each other conveniently.
#4475
A
keep in touch with
B
get in touch
C
lose touch with
D
be connected