he is only seven years old， he knows a lot about science．（ ）
| A． |
But |
B． |
Though |
C． |
So |
Grandma is rather deaf，so you must speak clearly and___to her．（ ）
A．quietlyB．loudlyC．noisily
I'd like to hold our next meeting____June 23rd．Is that OK for you？（ ）
A．inB．atC．on
s Tom____boy in your class？
Yes．Nobody is taller than him．（ ）
A．the tallestB．the strongest
C．the cleverest
Whose bike is this？
It's______．My grandpa bought it for me as a birthday present．（ ）
A．hisB．mineC．hers
Would you please turn off___TV？
OK，just a moment．（ ）
A．aB．anC．the