单项选择（每题1分）
Is this the reason _____ she explained in the report for her success in the job?
| A．what | B．that | C．how | D．why |
A couple should respect ______ parents,which is of primary importance to a family.
| A．each other parents | B．each other's parents |
| C．their parents each other | D．their parents of each other |
I saw one of the guests go through the kitchen door ______ on the light.
| A．turning | B．to turn | C．and turn | D．and turned |
My parents used to tell me not to buy and bring them anything next time I ______ home.
| A．returned | B．was returning | C．would return | D．had returned |
The police had _______news report written about ______ traffic accidents in the city involving _______ school children.
| A．a; the ; the | B．不填；不填；the | C．a; 不填；不填 | D．a ; the; 不填 |
Keeping in mind _____his mom had told him,the child waited patiently outside the gate.
| A．what | B．which | C．that | D．as |