Welcome to the Science Museum, everyone! This stone axe _______ in South Africa and experts can’t be exactly sure about its use.
Chinese Vice-Premier called on Thursday for______ all-out effort to ensure ______ food and drug safety.
---How is everything going on with you in Italy? ---Quite well. Not so smoothly as I hoped, _________.
It wasn’t until nearly a month later ________ I received the manager’s reply
. She asked me ________ the film the day before.
He insisted that the earth ________ around the sun.