Some people are walking _______ the bridge and someboats are going _______ the bridge.

There are _________ kinds of theme parks , with a different park for almost everything :food ,culture , science ,cartoons,movies or history .

—Do you know what Tom does all day—I know he spends at least _______ time watching TV as he does spend doing his lessons.

I was very busy that day. Otherwise I _________in the discussion. [ ]

It is surprising that he＿＿＿＿at the meeting.