A Chinese survey team reached the top of Mount Qomolangma_____May 27th，2020，which will improve human knowledge of nature and scientific development．（ ）
A．atB．onC．in
Remember _______ some fruit when you come back．（ ）
A．buyingB．to buyC．buy
_______do you watch TV？
Twice a week．（ ）
A．How oftenB．How longC．How soon
Where is Jim？
Look! He _______ under the tree．（ ）
A．is standingB．stood
C．stands
My daughter is years old． Today is her birthday．（ ）
A．nine； ninethB．nine； ninth
C．ninth； nine
Is this your English book？
No， it's my brother's． is over there．（ ）
A．MineB．MyC．Me