—Have you watched Wang Yaping’s science lecture (讲座) from China’s space station?
—Yes. ______ interesting it is!
How
How a
What
What a
I __________ eat too much chocolate because it’s unhealthy.
.—Susan, can you help me clean the window? —Why_______? Alice is sitting there doing nothing.
—Is Christmas ______ December 25th or 26th ? —25th, I think.
—Look! Here is a book about the history of Britain! —Really? Please show me _______ book.
.—Please ____ him find his bike. —OK.