(1)Sun is the only star in our salar system.
(2) It gives us heat and light.
(3) The moon is just 380,000 kilometers away.
(4) It looks much smaller because it is very for away.
(5) It takes four years for light to reach us from Alpha Centauri.
P47页
was/were cooked knew swam got taught leaved felt smelt drove ran thought kept bought began did
cost found throught stood spake came gave heard sold hurt saw steal took slept sit met brought flew
woke chose lost read rose wore
P48页
(1) Wat's your favourite sports?
(2) A man steal a purse from a tourist.
(3) They did cought the thief.
(4) Our class consist of 40 students.
(5) I aim the torch at his eye.
P49 (横着写)
1、 I attend school everyday. I attended church yesterday.
I will be attending a concert tomorrow.
I have to explain why I am late everyday.
I explained the question to her two days ago.
I will be explaining the details next week.
The thief steals everyday.
He stole the wallet last Sunday.
They will be stealing the painting tomorrow.
She likes to invite people to her house everday.
She invited me to her party yesterday.
She invited me to her party yesterday.
She will be inviting me to her party tomorrow.
