A、only if
B、if only
C、what if
D、if not
A、compared to
B、on the other hand
C、whereas
D、unlike
A、on, round
B、through, across
C、over, through
D、into, across
A、Finding out the exact meaning of words or phrases in the context
B、Pure guesses
C、Explaining phrases in everyday language
D、Replacing abstract words with concrete ones
A、对
B、错