---Let’s back up. Where was I?---You ___________________about the trip to South Africa.
#101075
A
were talking
B
talked
C
are talking
D
would talk
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Lin Tao has returned from the UK recently. He ______ at Cambridge for four years, during which we ______ with each other on the Internet.
#100453
A
has studied; has communicated
B
had studied; communicated
C
studied; had communicated
D
studied; communicated
Would you please keep silent? The weather report        and I want to listen.
#101408
A
is broadcast
B
is being broadcast
C
has been broadcast
D
had been broadcast