---What are you going to do this weekend ?--- Well, we’ll clean up the city parks ________ it rains..

“___ comes back home first should cook lunch, ”Mum said.

__seems easy to some people seems difficult to others .

 As ________ , they were waiting for us at the airport.

–What did the young man come to your company for? -- He wanted a job, _____ he had never experienced before.