—Excuse me, do you know ________?
—Yes. Next Friday.
| A． |
when will the volunteers come back |
| B． |
when the volunteers will come back |
| C． |
how will the volunteers come back |
| D． |
how the volunteers will come back |
There ______ a large bowl of jiaozi on the table．（ ）
A．isB．areC．be
﹣Karl Marx is a great thinker． Do you know ？
﹣In 1818．（ ）
A．where he was from
B．when he was born
C．how he learned foreign languages
Yuan Longping is a Chinese rice scientist is leading a search to develop "sea rice"．（ ）
A．whoB．whichC．whom
Grandma wants to watch the program legal Report． Please the TV．（ ）
A．turn offB．turn onC．turn down
Paper﹣making by the Chinese in the Western Han dynasty（朝代）．（ ）
A．is inventedB．invented
C．was invented