— Has Yang Liping returned from Yunnan yet? I’d like to meet her.— Sorry. She ____ back here only for last weekend.
.It is ______ to spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill .
As she lives quite near our school , she often goes to work on an electric bike ___ in her car .
The board are discussing the possible _____ they can take of the present economic situation.
Before he started work , I asked the builder to give me a (n) _____ of the cost of the museum.
There are many things we need _______ before we buy a car .