These photos _______ by my sister on Mount Tai last summer.
----Would you like to attend China's Got Talent (中国达人秀)?---- ______ But I'm busy revising for my test.
—You aren’t a stranger, are you?—______, don’t you remember______me at the school gate ten minutes ago?
Newton was playing under an apple tree ____ an apple fell onto his head.
Which of the diagrams below shows the air temperature of Beijing in a year?
______ great scientist Qian Xuesen is!