You look so sad. What happened— The exam ________ to be much harder than I thought.

When his brother telephoned him last night, he＿＿＿＿＿asleep.

Do you think the rain will stop tomorrow — . It has been raining for a whole week . It’s too wet .

I wonder how it ____ that Chinese climbers successfully finished the torch relay on the Mount Qomolangma, where the air is so thin.

Your skirt is very nice. —__________.