The man we met this morning grows many kinds of plants in his garden, most of which are fl

We met the old man ______ times on the way home.A．dozen ofB．dozenC．dozensD．dozens of

听力原文：W: I found an expensive diamond necklace in the rest room this morning.M: If I we

What can we learn from the passage？A．It"s scientific to classify people into different gro

What can we know about the man from this conversation？A．He likes all kinds of rocks.B．He h

What did the man do this afternoon？A．He met the supervisor.B．He was busy with work.C．He at

Months ago we sailed ten thousand miles across this open sea which ________ the Pacific and we met