A．Because it's too late.B．Because he doesn't know her.C．Because she is the best studen
A. Because it's too late.
Because he doesn't know her.
C. Because she is the best student.
D. Because she is a friend of the woman.
查看答案
A．From rocks in the mountain.B．From the remains of ancient sea life.C．From the soil un
A. From rocks in the mountain.
B. From the remains of ancient sea life.
C. From the soil under the sea.
D. From ancient trees.
A．4.2 billion years ago.B．3.3 billion years ago.C．2.9 billion years ago.D．1.2 billion
A. 4.2 billion years ago.
B. 3.3 billion years ago.
C. 2.9 billion years ago.
D. 1.2 billion years ago.
A．The bicycle is easily stolen.B．The roads are narrow and unsuitable for bicycles.C．Th
A. The bicycle is easily stolen.
B. The roads are narrow and unsuitable for bicycles.
C. There are many ups and downs in the city so riding a bike is tiring.
D. There are too many cars so it's unsafe to ride a bike.
Studying in an English-speaking country is a very effective way to learn English.
A. True
B. Fasle
微信支付 
支付宝支付