. ---Which is _______, the sun, the earth or the moon? ---Of course, the sun.
I really like the photo of my family________my sister took in the city last year.
I hope________to college after graduating from high school.
They are going to________a new company which aims at selling foreign materials.
These books and magazines are useful.Don’t________
Guilin is a beautiful city and it is known________its mountains and lakes.