Listening to peaceful music. as well as taking exercise,___________ a lot in relieving people 's sad emotions.
| A．help | B．helped | C．helps | D．are helping |
__________ there was danger ahead, the girl walked on.
| A．Known not | B．Not known | C．Knowing not | D．Not knowing |
The population of China is _______ than that of America.
| A．larger fives times | B．five times larger | C．five times as | D．as five times. |
_________ it is to have a picnic !
| A．What a fun | B．How fun | C．What fun | D．How a fun |
Mr. Smith was _______ of the _________ speech.
| A．tired; boring | B．tiring; bored | C．tired; bored | D．tiring; boring |
The little boy won’t go to sleep_______his mother tells him a story.
| A． or | B． unless | C． but | D． whether |