Please return the book on time after you finish _______ it.
| A．read | B．to read | C．reading | D．reads |
______nature reserves _______us learn more about protecting animals.
| A．Studying ; help | B．Studies ; helps | C．To study; helping | D．Studying; helps |
—____________?
—It was sunny and windy.
| A． What was the weather | B．What was the weather like |
| C． How was the temperature | D．What was the temperature |
Bees always remember ________back the same way _______they went.
| A．coming; from | B．coming; as | C．to come; as | D．to come ;from |
Please_______the painting on the wall and _______the washing machine later.
| A．put up; put in | B．put out; put in | C．put in; put up | D．put up; put down |
What exactly does the sign _______?
| A．stand for | B．stood for | C．stand up | D．stood up |