22．How close parents are to their children ___________a great effect on the characters of the children.
| A．have | B．to have | C．having | D．Has |
—Where's that report?
—I brought it to you ________ you were in Mr.Black's office yesterday.
| A．if | B．when | C．because | D．before |
Many of them turned a deaf ear to his advice，________ they knew it to be valuable.
| A．as if | B．now that |
| C．even though | D．so that |
A man cannot smile like a child，________ a child smiles with his eyes，while a man smiles with his lips alone.
| A．so | B．but | C．and | D．for |
________，he talks a lot about his favorite singers after class.
| A．A quiet student as he may be |
| B．Quiet student as he may be |
| C．Be a quiet student as he may |
| D．Quiet as he may be a student |
If you are traveling ________ the customs are really foreign to your own，please do as the Romans do.
| A．in which | B．what | C．when | D．where |