20160126 介係詞 P568-570 (by, down, during)

Pencils are sold [blank_start]by[blank_end] dozen. 　　　　　　　　　　（鉛筆以打為單位出售。）

She is younger than I [blank_start]by[blank_end] two years. 　　　　　　　　　　（她比我小兩歲。）

　My house is [blank_start]beside[blank_end] the river.（我的房子在河邊。）

That man stands [blank_start]by[blank_end] the car.（那個人站在車子旁。）

　It must be finished [blank_start]by[blank_end] the end of this week. 　（最遲在本星期結束以前必須把它完成。）

　My brother did not return [blank_start]till[blank_end] ten o'clock. 　（我弟弟一直到十點鐘才回來。）

A stone fell [blank_start]down[blank_end] the hill.（一塊石頭落到山下。）

The moon has risen [blank_start]above[blank_end] the horizon. 　（月亮已經升到地平線之上了。）

The sun has sunk [blank_start]below[blank_end] the horizon. 　（太陽已經降到地平線之下了。）

The book is [blank_start]below / under[blank_end] $300.（這本書不到300元。）