Generally speaking, ________according to the directions, the medicine has no side effect.
The old town has narrow streets and small houses _____are built close to each other.
When I got on the bus,I_____I had left my wallet at home.
I'm sorry I didn't phone you, but I've been very busythe past couple of weeks.
Are you going to Tom’s birthday party?-_____.I might have to work.
He had his camera ready________he saw something that he would make a good picture.A even if B if only C in case D so that