7.Only by practicing a few hours every day ______ master the language.

They are____(leave) only at 7 o’clock.

The first sentence in paragraph 7 is the topic sentence of only this paragraph.

One study done in the U.S. showed that in the communication of attitudes, only 7% of the message was transmitted by voice tone and facial expressions.

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.Now, listen to the conversation. According to the club’s roles, members can play （） A: for 30 minutes only B: for one hour only C: within the booked time only D: longer than the booked time

中国大学MOOC: Walt Whitman wrote only one book, but it took his whole life. What is the book of poetry called? (Week 7)

He likes______classical music on the piano. A: only to play B: to only play C: only to playing D: to play only

______ you had listened to me! A: Only if B: If only C: If D: Only

Oh, （）I could speak several languages now! A: only if B: whether only C: if only D: only whether

Hewasthe____atthemoment. A: only alive person B: alive only person C: only person alive D: person only alive