Tom has passed the final exam.—______! He never really worked hardbefore.

He saw a notice at the entrance ____ , “No spitting”[ ]

Do you still remember the day when we went to the Great Wall? —— I can’t remember it well, but＿＿＿＿＿＿sometime last autumn?

Your friends were all worried about _______ you were sick.

-Do you have enough to __________ all your daily expenses? —–Oh, yes, enough and to spare．