Don’t complain all the time. If you want to do it, please go on.

I called you yesterday evening, but you were not in.—–Sorry, I _____ in the shop with my mother.

Tom was over there. His red clothes stood out clearly_____the snow.

16 He made another wonderful discovery, __________ of great importance to science

The sooner we students___to the new school,the better it will be___our studies.