Much to our disappointment，the houses________to us were all destroyed in the big earthquake.[ ]

So seriously ______ in the accident that she was sent to hospital at once.

These books must belong to ______”means “These books must be ______.”

ellprepared you are , you still need a lot of luck in mountain climbing

In our childhood, we were often _______ by Grandma to pay attention to our table manners. [ ]