TV set is one of       in the world.
#28285
A
most useful invention
B
the most helpful inventions
C
more helpful inventions
D
less useful invention
推荐题目
English is a useful ______.
#28719
A
tool
B
book
C
job
D
person
Mandeep can go to school now. UNICEF has paid for her ______.
#29570
A
education
B
vacation
C
competition
D
invention
--1 have a bad          --You should see a dentist.
#27896
A
throat
B
toothache
C
stomachache
D
fever