—You needn’t take an umbrella.It isn’t going to rain.

—Well，I don’t know.It________do.(2013·北京，35)

A．might? B．need

C．would D．should

(2013·高考北京卷)—Do you think Mom and Dad________late?

—No，Swiss Air is usually on time.

A．were? B．will be

C．would be? D．have been

When we saw the road ________ with snow，we decided to spend the holiday at home.

(2013·北京，29)

A．block? B．to block

C．blocking? D．blocked

I took my driving license with me on holiday，________I wanted to hire a car.(2013·北京，30)

A．in case? B．even if

C．ever since? D．if only

Many countries are now setting up national parks________animals and plants can be protected.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2013·北京，27)

A．when? B．which

C．whose? D．where