The weather here in summer is so changeable. Pleasetake an umbrella when you go out. —________.

Where is John I didn’t see him this morning.—Oh, he to Bejing with his friends.

Homework ________, I turned on the computer and tried to do some online shopping.

I took the wrong train _______. I didn’t even know it until half an hour later .

He felt _______ to remind the public to protect the environment