使用寿命在400~499小时的灯管有多少支()
A.14
B.46
C.76
D.62
参考答案:B
________ of the water in this cup ________ splashed onto the floor.[ ]
A. Three fourths; are
B. Three fourth; is
C. Three quarters; is
D. Three quarters; are
If you have any difficulties, please do not________to contact our Customer Service Department. [ ]
A. avoid
B. desire
C. seek
D. hesitate