-When __________ Mr. Green __________ to Australia?-He traveled to Australia two years ago.A. did, travel B. did, traveled C. was, travelD was, traveled
The temperature can drop ________zero when winter comes.
This piano is too big. Can you make ________ for it?
The number of the students in our school always growing.
Leaves fall _______piles ________the ground
They think wolves are dangerous _________humans so this leads _______the danger of wolves.