The little girl was unhappy her picture-book broken.
A. at B. for C. because of D. with
—Are my clothes too casual?
—No. You can go you are.
A．as B．what C．that D．where
Please turn down the music, our neighbors next door will be disturbed.
A．and B．or C．but D．so
In summer, food will go bad if in room temperature.
A．leaving B．left C．being left D．having left
QQ, you can chat with your friends, makes communication easy.
A．why B．which C．that D．where
fit, we ought to learn more about our body and be careful with what we eat.
A．Keeping B．To keep C．Having kept. D．To have kept
