题目内容
The maths problem was so difficult that none of us could ____.
A.try it out |
B.work it out |
C.look it up |
D.work on it |
请根据句意从方框中选择合适的动词,并用其适当时态填空,使句子通顺。 | |
2. My uncle _________ a window to get into his house yesterday. 3. Look! Linda's mother _________ at Linda's photos on her home page. 4. How often _________ you _________ your hair? 5. Zhu Li says she _________ hard to improve her English in the new year. |