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Unit 21
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(WB7) They don't have anything drink.
They don't have anything to drink.
Oops!
Okay!
(WA5) (use) He needs a computer ___.
He needs a computer to use.
Oops!
Okay!
(WC5) (draw a picture) Amy's hobby is ___.
Amy's hobby is to draw a picture.
Oops!
Okay!
(WC4) (drive a car) It's not easy ___.
It's not easy to drive a car.
Oops!
Okay!
(WC3) (get a good grade) He studied hard ___.
He studied hard to get a good grade.
Oops!
Okay!
(WD4) they / to / decided / watch / the video
They decided to watch the video.
Oops!
Okay!
(WD1) to / a dentist / be / want / I
I want to be a dentist.
Oops!
Okay!
(WA2) (play) Cathy likes ___ the cello.
Cathy likes to play the cello.
Oops!
Okay!
(WB3) I have something telling you.
I have something to tell you.
Oops!
Okay!
(WA4) (go) My plan is ___ to the amusement park.
My plan is to go to the amusement park.
Oops!
Okay!
(SG4) everyday / It / to / is / difficult / exercise
It is difficult to exercise everyday.
Oops!
Okay!
(WB4) My dream is to is a doctor.
My dream is to be a doctor.
Oops!
Okay!
(WA6) (be) I want ___ a teacher.
I want to be a teacher.
Oops!
Okay!
(SG3) decide / an / send / Did / e-mail / you / to
Did you decide to send an e-mail?
Oops!
Okay!
(WD3) wake up / difficult / to / is / early / it
It is difficult to wake up early.
Oops!
Okay!
(WD2) I / to / went / to the store / some bread / buy
I went to the store to buy some bread.
Oops!
Okay!
(WB2) I am so glad see you again.
I am so glad to see you again.
Oops!
Okay!
(WB6) It is not right fight with your sister.
It is not right to fight with your sister.
Oops!
Okay!
(WA3) (borrow) I go to the library ___ a book.
I go to the library to borrow a book.
Oops!
Okay!
(WA1) (study) It is interesting ___ science.
It is interesting to study science.
Oops!
Okay!
(SG2) to / He / bike / a / ride / likes
He likes to ride a bike.
Oops!
Okay!
(WC2) (go on a trip) We decided ___ tomorrow.
We decided to go on a trip tomorrow.
Oops!
Okay!
(SG5) take / I / early / to / a / wake up / walk
I wake up early to take a walk.
Oops!
Okay!
(WB5) Mom wants buying a new dress.
Mom wants to buy a new dress.
Oops!
Okay!
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