I have three _____, two _____ and a _____ in my desk .A.keys, toys, notebook B.key, toy, notebook C.keys, toys, notebooks
( ) Chinese people invented paper for .
( ) Nine childrentheir grandparents last week.
( ) The man sitsunder the tree.
( ) The mouse is front of the cat.
( ) first, I fell over. But it didn’t hurt.