Only after he has acquired considerable facility in speaking （） to learn to read and write.

单项选择题Cathy, this is Mike. I （） because I am going to meet some guests at the airport. So I will not have lunch. That’s OK. I will wait for you at supper time.

单项选择题I’ve heard that you are going to Thailand？ Yes, I’ll leave on Sunday. That’s great! （） Thank you!