This is a delicious cake, but we have … had a big dinner and feel very full. A. only B. just C. since D. for

The door and the window are open. I think someone … into our house! A. breaks B. broke C. has broken D. will break

She has had this smartphone … 10 years. A. for B. since C. from D. in

The company … a new kind of smartphone. It looks fantastic! A. just introduces B. just introduced C. has just introduced D. will just introduce

Dave … Chinese for six years now. He likes it. A. studies B. studied C. has studied D. will study

Jane … Chinese, but she quitted because it was too difficult. A. studies B. studied C. has studied D. will study

We have worked here … 2002. A. for B. since C. in D. to

Hoa is not coming to class today. She … back to her hometown. A. goes B. go C. has gone D. will go