Luckily, we’d brought a road map without _____ we would have lost our way. [ ]

What were you doing when he ________“hello”to you—I _______in front of the blackboard.

______ tourism developing, more and more people prefer to go travelling for a holiday

I called you up at 8:00 last night, but you didn’t answer the phone.–Oh, really I ________with the housework.

Lucy was completely ______ after jogging in the hot sun all afternoon; she had little energy left.