I don’t know what to do with this strange object.

A.expressing

B.express

C.expressed

D.expression

A.I'm serious

B.What a pleasure

C.I don't know

D.Thanks a lot

A.if

B.whether

C.that

D.what

A、what to choose

B、which to choose

C、to choose which

D、to choose what

A. What a pleasure

B. Pleased to meet you，Mr. Porter

C. I don’t know

D. Thanks a lot

The show should have started an hour ago; I don’t know what could have caused the ().

A、alarm

B、delay

C、statement

D、custom

A.No, thanks.

B.I'm very busy now.

C.At about 5:30.

D.I don't need to go there.

A、You’re welcome

B、Thank you

C、Sorry, I don’t know

D、Just the work of a secretary

——Do you know what her hobbies are？()

A.She doesn't have a CD player

B.Actually, she doesn't like to study with music

C.She listens to music, collects butterflies, and is interested in photographyMaybe I'11 get her a CD

A、They don’t know what they are eating

B、They don’t know how they can cook Chinese cuisines

C、They don’t know where they can find a Chinese restaurant

D、They don’t know why Chinese cuisines are so delicious

A.You’re welcome

B.Just so-so

C.I don’t know

D.I don’t like it at all