In those days, we had no phones, so we had to keep in touch ________ letters often.
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with
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of
C
on
D
through
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---How do you learn English? --- I learn English__________ making flashcards..
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on
B
for
C
by
D
with
-- Excuse me. Where is the library?---It’s______ the restaurant.A. on Ｂ. in C. next to Ｄ.across from
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false
B
Street
--- How do you study English?---I study English talking with foreign students
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by
B
in
C
at
D
on