Living in the central Australian desert has its problems,______ obtaining water is not the least.

Later in this chapter cases will be introduced to readers ____ consumer complaints haveresulted in changes in the law[ ]

We’re happy that our predictions so accurate , which is far from expectation .

下列各句中，没有语病、句意明确的一句是（ ）

ast week, I was ill for some days andI’m determined to___________the lost time.