Tom, along with three other boys,     seen playing football a moment ago.

You       trust an online shop just because it has a beautifully-designed website.

—Do you know       ? —I’m not sure, maybe he is an artist.

一What will the weather be like tomorrow?一It     be rainy ,cloudy or sunny．Who knows? Even the weather report is not always right.

---The man in a black suit _______ be our youth worker.---It _______ be him. I saw him in the classroom building some minutes ago.