U6
An old man tried to move the mountains
连词 unless/as soon as /so...that
god/subject/gold
remind/hit/brave/stupid
once upon a time /get married
U7
what's the highest mountain in the world
nature/ocean/square
deep/wide/huge/ancient
feel free/as far as I know
U8
Have you read treasure island yet ?
recent experience and events
page /technology/treasure
full of /hurry up
U9
Have you ever been to a museum
camera/toliet/rapid/
whenever/whether
I've had this bike for 3 years
possessions and things around
yard sale/board game /according to
to be honest
U5
what were you doing when the rainstorm came
date/storm/match
completely/suddenly/
go off/fall asleep/die down
U4
why don't you talk to your parents
连词until /so that / although
argue/communication/continue
U3
Could you please clean your room
floor/mess/rubbish
fold/sweep/throw/
all the time /as soon as
U2
I'll help to clean up the city parks
不定式做宾，状和宾补
情态动词could表建议
动词短语
kindness/homeless/feeling/
disabled/blind/deaf
clean up/give out
U1
what's the matter
情态动词 should/shouldn't
反身代词
have headache、stomachache
throat/toothache/death
hit/hurt/lie
have a cold /take breaks
