根据句意及首字母提示填空。 |
1.The boy always _____ _____(犯错) in math. 2.It t_____(花费) us three hours to get to the top of the mountain. 3.The scientists finally s_____(发射) the man-made satellites into the space. 4.You have the r_____(责任) to protect your children. 5.Only you catch o_____(机会), you will be successful. |