To be _____debt is to be ____danger.

When his brother telephoned him last night, he＿＿＿＿＿asleep.

Can I call you back at two o’clock this afternoon? —I’m sorry, but by then I______ to BeijingHow about five?

Will you be able to see Jennifer’s parents when the first class is over?– I’m afraid notI ______ a lecture on British literature in the hall

______ Jack Ma has stepped down as chairman of Alibaba, he still remains on its board of directors.