He wears a pair of sunglasses（）（惟恐被別人認(rèn)出來）.

It’s time（）(采取措施) about the traffic problem downtown.

I have had great deal of trouble（）.(跟得上班上的其他同學(xué))

When I （）(發(fā)現(xiàn)他騙我) I stopped buying thins there and started dealing with another shop.

If you won’t agree to our plan,（）(他們也不會同意).

Please don’t stand in the kitchen, you’re（）（擋路了）.

But for his help, I （）(我不可能這么早完成).

（）(信不信由你), his discovery has created a stir in scientific circles.

The room is in a terrible mess; it （）（肯定沒打掃過）.

The price of beer（）(從50美分到4美元不等) per liter during the summer season.