— It's so cold! Why are your windows still open?— Oh, they__________.
One can ______ BBC _____ the air early with his Short-wave radio.
— How many teachers are party members in your school?— Party members_________ one fifth of the number of the teachers in our school.
Jim was born on a farm, _____, he knows little about farming.
______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.
In our work quality counts for ______ quantity.