---$ 500, but this is my last offer. ---OK, it is a __________.
| A．cost | B．price | C．reward | D．deal |
According to the factory safety rules, all accidents _____ be reported to the safety officer.
| A．may | B．can | C．would | D．shall |
John seemed puzzled about _____ the question meant.
| A．how | B．why | C．what | D．Which |
Everyone tells me I’m a good speaker, _____ I really don’t like speaking in public.
| A．and | B．so | C．but | D．or |
—You've got a cold, not the H7N9! Everything will turn out OK.
—______! I have been worrying about it for days.
| A．What a relief | B．That's for sure | C．How surprising | D．I'm sorry to hear that |
Mike apologized for _______ to inform her of the change in the working plan.
| A．his being not able | B．him not to be able | C．his not being able | D．him to be not able |