大家好
想请问一题被动语态文法题
In Peckham yesterday a shop assistant
(1) was forced (force) to hand over ?500 after (2) being threatened
(threaten) by a man with a knife. The man escaped in a car which (3) had been
stolen (steal) earlier in the day.
The car (4) was later found (later find) in a car park where it (5) had been a
bandoned (abandon) by the thief. A man (6) has been arrested (arrest) in conne
ction with the robbery and (7) is still being question (still question) by the
police.
我想请问第7格为何不能使用
still have been questioned
谢谢~