The old lady’s hand shook frequently. She explained to her doctor _______this shaking had began half a year before, and ______, only because of this, she had to give up her job.

________does your brother do his homework—-At 8:00 in the morning.

Excuse me, but can you tell me which road I should take to the post office–______ of the four roads will do.

We’d better_______ if we want to be on time．—OK．

________ so delicious，the food in the market was sold out soon.[ ]