What’s wrong with you , Eric You look tired .–I ______ to prepare for the final exam last night .

Do you know woman in pink over there—Yes. She is office worker of Beijing Hotel.

Last year, he didn’t know how ___________ a model robot.

He had been ill for a long time and ______ he was left behind in his work [ ]

When asked _____ they need most, the kids said they wanted to feel important and loved.