You didn’t come by bus, did you ______, I came ______ a taxi.

m D．Experience

Mr. Smith works with a mobilephone company, but he _____________ for this international meeting, since he ison holiday.

Doctors will conduct a(an) _______ examination to determine whether your eyes are suitable for the operation.

Hiking by oneself can be fun and good for health.It may also be good for________building.