It’s. I think it’s very easy.

Remember to spend some time ______ your loved ones, because they’re not going to be around forever. [ ]

I can’t find my notebook, mom. _______ is it? —Peter, it’s under the chair.

Kate wants to know if youa picnic next Sunday.–Yes. But if it, we’ll visit the museum instead.

Linda’s father isn’t an engineer. Her mother isn’t an engineer, ______ .