我可以直接拨这个号码吗，还是必须通过接线员？

Can I ___dial this number direct, or do I have to go through the operator?

拨0接通总机。

___Dial 0 for the switchboard.

准备购物清单而不是打电话回家问该买哪种沙拉不是更好吗？

Wouldn't it be better to prepare the shopping list instead of ___dialing home to ask which salad to buy.