Learn how to use conjunctive words in Chinese (Elementary)

Fill in the blanks with the proper Chinese words in order to complete the sentences below. Each sentence has only one right answer from the two choices.

1. _____dìqiú yǒu xīyǐnlì, ______shùshang de píngguǒ wǎng dìshang diào.

_____ 地球   有    吸引力,______ 树上     的   苹果     往    …