To use a foreign language effectively, you need to understand the culture________ it is spoken.

Many people in China have never dreamed of ____ achance for them to learn to driveafter their retirement [ ]

I lost my MP4 player on my way to school this morning.—______ You must be careful next time.

________is well known to everyone，I should say，is that a man becomes learned by asking questions

Wile studying, fix your mind on what is really important, or you will remembering nothing.[ ]