Some pre-school children go to a day care center, they learn simple English games and songs.

You left your umbrella.______. I’m becoming so forgetful these days.

All the Chinese were _______ when they heard Liu Xiang won the first. It was really _______.

In the advanced coursestudents must take performance tests at monthly______.

I got an e-mail from my old friend last Sunday.Until then，we________in touch for nearly 3 years.