. ALL PLANES ___________ BEFORE DEPARTURE.A). WILL CHECKED B). WILL...

4) - KIEM TRA 15'''' TA 12 BAI 4 5
KIEM TRA 15'''' TA 12 BAI 4 5

4). All planes ___________ before departure.

A). will checked

B). will be checked

C). will has checked

D). will been checked