Do you know the year ________ the Chinese Communist Party was founded?
Although knocked down by a car, he managed to ______ to his feet.
The sun heats the earth, ___________ is very important to living things.
I will visit you if Father ______ me.
The policeman warned the drive ________ so carelessly.
—Can I use your laptop for a while?— ; anyhow I am not using it now.