定期对计算机硬盘进行碎片整理，对计算机硬盘会造成严重损伤。
参考答案：错
All the staff in our company are considering _________ to the city center for the fashion show.
A．to go
B．to have gone
C．having gone
D．going
A．+→
B．→+
C．+→
D．→+
+
→
→
+
+
→
→
+
