单项选择题
A．Is it a real emergency B．Do you have an appointment C．In that case, you'll have to wait. D．I'll talk to the dentist and squeeze you in.
A．I couldn't bear it B．I couldn't help it C．They were too good to eat D．They were good to eat
A．Take it easy. B．It's unexpected. C．You' 11 work hard later on, I guess. D．Oh, I'm thrilled.