What ______ public is concerned about is whether medical workers and scientists will be able to find for this new disease in a short time.
Don’t answer me with a simple “yes” or “no”. Explain ______possible.
He turned on the channel, only ____that the football match between China and Iraq was over.
____new wave of Chinese migration is under way, fuelled by ever-younger students for whomEnglish is not a piece of knowledge but a living language to unlock ____ door of the wider world.
–Hello, I’m calling to complain about one of your sales staff.–Oh dear, _____
-- Sorry, it's already 6 o’clock. I have to be off for an appointment. --- OK. ________.