cho tam giác abc đều. vẽ AH vuông góc vs BC.

a) tính góc HAB

b) chứng minh BH= 1/2AB

1.         He (A)invent (B) the (C) machine many (D) years ago.

2.        They (A) find (B) making pottery (C) is really (D) interesting.

30. Are the community _____ the only ones to solve the problems in the area? (AUTHORIZE)

31. At 13, Picasso _____________to a school of Fine Arts in Barcelona. (ADMISSION)

32. She can carve eggshells very_____________. (BEAUTY)