실시간 검색 더보기

B:You'd be smart ___ everything.

(a)to review (b)reviewing (c)will review (d)had reviewed

답이 a인데 왜 b는 안되는건가요??

Despite ____ ,most staff members continued working at their desks until 6pm.

(a)there was a blackout in the building

(c)the building was being in a blackout

두 보기중에 a는 왜 안되는지 모르겟습니다.