There is a policeman _____ the bus. He is watching the traffic.

My parents had to sell the old house for my further study abroad even though it wastheir own wishes.

We can’t go swimming           the heavy rain.

Next year Tom will go to      school. He wants to be      engineer like his father.

– Excuse me, may I use your bicycle?  ______ is broken. -- Certainly.  But remember to return it before lunch.