Question

Mr. Smith works with a mobile phone company, but he _____________ for this international meeting, since he is on holiday.

A．works

B．is working

C．has worked

D．had worked

Answer 1

B

根據(jù)since he is on holiday，說(shuō)明指的是現(xiàn)在的情況，所以用現(xiàn)在進(jìn)行時(shí)態(tài)。選B。