They were suspected to have robbed the bank. The police have investigated them for days

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They were suspected to have robbed the bank. The police have investigated them for days.

Suspected to have robbed the bank, they have been investigated for days.

Having suspected to have robbed the bank, they have been investigated for day.

They have investigated for days, suspected to have robbed the bank.

Suspecting to have robbed the bank, they have been investigated for days.

Giải thích

Chọn đáp án A

Giải thích : cụm hiện tại phân từ bị động. Cấu trúc be suspected to V: bị nghi ngờ làm gì