_______, the teacher asked whether anyone wished to ask a question.

Are you afraid ______ This type of anxiety can deeply disturb people’s enjoyment of social relationships.

The machine I have looked after for twenty years is still working well.

Tom wants to know if you will have a picnic tomorrow. —Yes. But if it ______, we’llplay chess instead.

Must I take a bus ? —— No, you＿＿＿＿. You can walk from here.