Which of the following words matches the sound /redi/ ?
)—Are your __________ workers (工人)? —No,.
—________ is the math book? —It’s in the bookcase.
)—Is this girl your sister? —_________.
)— Do Lucy and Lily have _________ tennis ball? — No, they don’t have one. They don’t like playing ______ tennis.
)There is______ “s” in the word “watches” and the underlined part is pronounced (发音)as____.