a drop of blood一滴血;drop by rop/in drops一滴一滴地;drop from the tree從樹上掉下來;drop to the ground 落在地上;drop the letter into the mailbox把信投進(jìn)信箱;drop a handkerchief/stone掉下手帕/石頭
習(xí)語:drop in 順便拜訪;drop in on sb.順便走訪某人;drop in at his school順便拜訪他的學(xué)校。
[應(yīng)用]完成句子
①我看見一個蘋果從樹上掉下來。
I saw an apple______ _______ the tree.
②他們這樣做是搬起石頭咂自己的腳。
In doing so they are lifting a rock to _______ ________on their
feet.
③你路過的話,千萬要來。
Do _______ _______ if you happen to be passing.
Key:
①drop,from ②drop, it ③drop, in