2. They (to talk).............. now. They (to talk)............. every day.

2. They are talking now. They talk every day. Пояснение: В первом предложении действие происходит сейчас (now), поэтому используем Present Progressive (are talking). Во втором предложении действие происходит каждый день, регулярно, поэтому используем Present Simple (talk).