填空题 The girl ______ with ______ long hair is my classmate.

单选题 For a car engine to work long and well, the owner should ________.

单选题 To give important information, a person speaking on the phone should ________.

单选题 To get familiar with the parts of a new car, the owner should ________.

单选题 When speaking on the phone, the essential factor for successful communication is your ________

单选题 To avoid mispronouncing unfamiliar words, you are advised to ________.

单选题 The speaker is advised to speak slowly in order to help the listener to ________.

单选题 Speakers sometimes need to spell some words to help listeners to understand ______.

单选题 The brakes should be checked regularly ________.