高二英語教材知識點總結及重難點解析Unit13-14
--____, but usually once a week. ( 天
津)
a. have no idea b. it depends
c. as usual d. generally speaking
【解析】選b it depends,意為“看情況”,它既可單獨
使用,也可用于句首。
( )8. when ____ help, one often says "thank you."
or "it's kind of you." ( 福建)
a. offering b. to offer
c. to be offered d. offered
【解析】選d此處,offer與句子的邏輯主語含有被
動含義,因此,用過去分詞。過去分詞充當狀語含有被動
含義。