Thể Hoàn Thành Của Động Từ Khuyết Thiếu Để Suy Luận (Must Have, Can't Have, Might Have) — Bài Tập 1

He bought a new sports car. He ___ won the lottery.

The dog's paws are muddy. It ___ been digging in the garden.

I can't find my wallet. I ___ left it in the car.

She didn't answer her phone. She ___ been sleeping.

He was in Paris last week. You ___ seen him at the London office yesterday.

The children are very quiet. They ___ be up to something.

The lights are flickering and the internet is down. A storm ___ be approaching.

I waved at her, but she just walked past. She ___ seen me.

The book is torn. The dog ___ chewed it.

I smell smoke. Someone ___ started a barbecue.