【2】次の2つの文の内容を1つの文で表すとき, ( )に適する語を書きなさい。
(1) Do you know that man?
He's waiting for a taxi.
Do you know that (
)for a taxi?
(2) The dog was big.
It was running with Ken.
The (
)with Ken was big.
(3) Tom has never seen the girl.
She is talking to his sister.
Tom has never seen the (
) to his sister.