If you ____ the chat room ten minutes ago, you ____ what we were talking about.
#103026
A
have joined; will know
B
would join; have known
C
should join; would know
D
had joined; would have known
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—Why is the house in a mess?—I         it for Christmas since three days ago.
#100434
A
cleaned
B
cleans
C
have cleaned
D
have been cleaning
--- When shall we leave? --- As soon as I      what I        .
#103059
A
will finish; do
B
have finished, am doing
C
finish, will do
D
finish, do
— Watch out! The petrol __. — Oh, my God. We have to find a service station soon enough.
#101889
A
runs out
B
has run out
C
is running out
D
has been run out