See the flags on the top of the building? That was _______ we did this morning.
The more you listen to English, ___you’ll feel in speaking English.
He had never envied the rich___money.
The young often___the old in our town.
_____a wonderful sense of humour.
—Do you think we can get there on time? —Yes,_________ the bus does not break down. A.even if .unless C.until D.so long as