your tour around the NorthLake Is it beautiful—— It _______ be, but it is now heavilypolluted.

he examination paper ___________, thegirl burst out crying

Where have you _______ I didn’t see you a moment ago.— I _______ to the library.

He was tired he fell asleep as soon as he lay down.

Much attention should be paid ____ the wild animals as many of them are dying out.