1.--What on earth are you doing here?
--Can't you see I'm trying to _____the garage_____ a recreation room?
A.transform; from B transform;into
C change;for C exchange;into
2.Don't get off the bus_____it is stopping.
A until B before C while D after
3._____to do the work,I should do it another day.
A If were I B I were C Were I D Was I