下列各句加横线词语的意义与现代汉语相同的一项是（ ）

下列各句中，没有语病的一句是（  ）

If you ________ yesterday，you ________ with your mother now.

This program needs close teamwork. ___ will be achieved unless we work well together.

How does he usually spend his weekends—He spends as much time as he can _______ computer games .