你想知道的男士是不是迈克的爷爷，你应该说（）

A、Is this your mother

B、Is this your father

C、Is this your grandfather

D、Is this your brother

是

否

A、What’s the weather like in London

B、The weather is warm

A、Who’s this girl

B、Is she your sister

A、Who's pen is this

B、Whose pen is this

C、Is my pen

是

否

A、It's under the table

B、Where is the pencil

C、Where are you from

A、What's the second day of the week

B、What's the first day of the week

C、What's the last day of the week

是

否

A、re these mine

B、re these yours

C、What colour are they

A、Is she your mother

B、Who's that woman

C、Is he your father