We might need a cellphone ______ we are not going with Mom or Dad. 如果不和爸爸或媽媽一起去,我們可能會需要一支手機。 a. before b. if c. but d. so Explanation 空格前後是兩個完整的句子,故需要連接詞。依前後語意判斷,填入if「如果」最為合適。其他選項為before「在…之前」、but「但是」、so「所以」,皆不符合語意,正確答案為B。 Chinese translation After leaving this page, need to use 1 more coin to play audio Sorry! You don't have enough coins.