________ you can’t decide ________ to go or not, just stay at home and sleep all day. A. Whether, if B. If, whether C. If, weather
My father wanted to_________an LED light in my bedroom.
The Golden Gate Bridge is in_________.
You’d better read the ______ first before you use the new camera.
Physics____ ____useful subject in our daily life.
They arrived_____Shanghai__________a cold morning.