1. — Where is Mr. Wang? — He ______ (go) to the library. He wants to borrow some library books. 2. At first she ______ (think) about going camping, but later she changed her mind. 3. They are from ______ (foreigner) countries. 4. I ______ (discover) the truth, but I couldn"t tell it to others. 5. How long have you been ______ (wait) here? |