Question

ま ゆ

これは their project being completed の being 省略されたものであってますか？

RE

8. Their project (       ), almost all the members of the team took holidays.
⑰ completed                               ② havying completed
(③ being completing                 ④ had completed

Answer 1

まーさん

受動態でないと意味が通らないので消去法的にも①しかあり得ないですね