honest, the world owes a lot to Nelson Mandela for his _______ support of racial equality and human rights.

Thanks fortaking my friends and me out tonight.—_________.

.Mr. Johnson starts to work very early inthe morning and goes on working until late in the afternoon ________a break atmidday.

Solids can usually be turned into liquids and liquids into gases if we _____ their temperatures high enough.

Students can easily fall behind in theirstudies ____ they don’t manage their spare time carefully