If you are free to walk through out city, please ________ us.
A drop in B drop in at C. drop in on
If you don’t know that new word, you can __________in the dictionary.
| A．look it up | B．look up it |
| C．look them up | D．look up them |
It________me about 10 days_______painting the walls.
| A．took,to finish | B．cost,finishing |
| C．took; finishing | D．spent, to finish |
—What do you usually do in the morning?
—I often practice ______English.
| A．speak | B．to speak |
| C．speaking | D．Speaks |
She studies for an English test by_______the textbook.
| A．Looking | B．seeing |
| C．reading | D．watching |
用所给词的适当形式填空。每词限用一次。