On foggy days, you have to drive very ________ on the expressway to avoid traffic accidents

I can not use the new mobile phone. Could you please show me_______.—Sure.

I would love _____ to the party last night but I had to work extra hours to finish a report.

________I was in trouble, he would come to help me out

It sounds to me as if he knows a lot about computers.—He is a person who is fond of________.