Welcome to the Science Museum, everyone! This stone axe _______ in South Africa and experts can’t be exactly sure about its use.
— Your windows are still open? It’s so cold!— Oh, sorry. They_______ .
We believe the time and hard work _______ in completing such an important project are worthwhile.
— Are you in favour of Tom’s suggestion_______ we work around the clock to meet the deadline?— No. But ______ Jimmy suggested to me sounds practical.
We attend lectures in the school meeting room at weekend _______ seats more than 800 students.
How can you expect to get ahead in your life _______you even live to yourself from time to time?