Choose the sentence with a comma splice. A: They weren't dangerous criminals; they were detectives in disguise. B: They weren't dangerous criminals they were detectives in disguise. C: They weren't dangerous criminals. They were detectives in disguise. D: They weren't dangerous criminals, they were detectives in disguise.

Detectives are still searching for those who the graveyard.

undercover,detectives,metermaid的意思分别是（）。

“______ ” method is to analyze a text like detectives and focus on the details.

When the plane ____(arrive),some of the detectives ____(wait)inside the main building while others ____(wait)on the airfield.While two detectives ____(keep)guard at the door, two others ____(open)the parcel.

undercover, detectives, meter maid 的意思分别是（  ）。

undercover, detectives, meter maid 的意思分别是 （ ）。

The plane was late and detectives were waiting at the airport all morning.

The detectives went into the building and waited ______ . A: in B: into C: inside D: for

_were the detectives waiting？ At the airport（） A: Why B: When C: Where D: What