ly thought I’d be offered the job.–Oh, well, ________, Clark.

Can you spare time to come to our Christmas — Well, I don’t know ________

We will hear what he must say and observe what he will do for what he says and what he does often _______.

If I ________ you，I ________ more attention to English idioms and phrases.[ ]

When did your brother begin to show his interest in medicine —It was a Saturday he noticed his classmate experimenting on a frog in the lab.