—________! I left my camera in the cafe and it’s still here.
—Lucky you! You should take good care of your things during the trip.
A．Well done B．Thank goodness
C．Forget it D．My pleasure
My American friend Sam is quite interested in Nanjing. He wonders _______.
A．when was the Confucius Temple built
B．How high is the Purple Mountain
C．that Nanjing was very rich in ancient times
D．who built Dr. Sun Yat-sen's Mausoleum
— Why is Sandy absent from school today?
—He is in hospital．He hurt ______ when doing DIY at home yesterday．
A．his B．he
C．himself D．him
Don't touch the instruments in the laboratory ________ the teacher allows you to do that.
A．unless B．when
C．though D．because
The ________ you work， the more trust and praise you will get from your workmates.
A．more careful B．more carefully
C．most carefully D．most careful
—What beautiful flowers! I can’t decide ________ for my mom.
—For Mother’s Day， it can’t be better to buy some carnations.
A．when to choose B．which to choose
C．how to choose D．to choose what
