How do you find the British Museum?— Great!It’s________worth________[ ]

We should do ____ to stop sandstorms（沙尘暴）from happening again andagain.

–What do you think of your visit to the Nature Park– I really enjoyed it. It was ____ than I expected.

In his speech, Marks made the point ______ far more people died from smoking than from taking drugs

At that time I had no idea ________ Icould hand it to him without being seen