let-let must-must put-put read-read

3.Read these words

take -- eat --

come -- play --

make -- see --

spend -- go --

fly -- become --

Step4. Practise

1)说出下列单词的汉语意思

spent

october

taikonaut

space

flew

made

video

airport

proud

travel

2)说出下列句子的汉语意思

He spent about twenty-one hours in space .

He did a lot of work there .