Exercise 2: Choose the best option to fill in the blank.
Our future houses will use __________ energy and they are very friendly to the environment.
A.sun
B.solar
C.sunny
D.lunar

Exercise 2: Choose the best option to fill in the blank.
We might have robots __________ our meals.
A.cook
B.cooking
C.to cook
D.to cooking

Exercise 2: Choose the best option to fill in the blank.
Robots will help us do the housework such as cleaning the floors, __________ meals and so on.
A.cook
B.to cook
C.cooking
D.to cooking

Exercise 2: Choose the best option to fill in the blank.
I would like to have my house by the __________ so we can see the beach from my window.
A.mountains
B.sea
C.city
D.countryside

Exercise 2: Choose the best option to fill in the blank.
The robot will __________ of the flowers in the garden.
A.take care
B.be careful
C.take note
D.carry

One of the students in my class_________off sick today.
A.were
B.was
C.have been
D.are

Alan and Ruth took these photographs_________.
A.themselves
B.herself
C.himself
D.ourselves

He was homesick, and he_________all his family and friends.
A.lacked
B.missed
C.desired
D.hoped

She never wears red because it doesn’t_________to her.
A.suit
B.match
C.fit
D.like

The articles_________the magazine has published are very scholarly.
A.of
B.on
C.which
D.and