--Did Peter repair his bike?
--He _______, because he could’t do that himself.
| A．had it repaired | B．had it to repair |
| C．had it repairing | D．had repaired it |
The reason ______ most Chinese have healthy white teeth is ______ they eat a healthy diet.
| A．why; that | B．why; because | C．that; that | D．for; that |
In such hot weather, the new plant will have to be protected from the sun if they ______.
| A．are surviving | B．survives | C．are to survive | D．have survived |
If you live near the lake, ____ are that you will hear birds singing to welcome the new day.
| A．possibilities | B．situations | C．chances | D．opportunities |
— Do you know the reason why the Whites got divorced?
— No, they haven’t quarreled with each other since they got married. _______, they broke up finally.
| A．Somehow | B．Anyhow | C．Anyway | D．Somewhat |
His mother could do nothing but _______ for the doctor to arrive.
| A．to wait | B．waiting | C．waited | D．wait |