a. Playing basketball is (41)...................... useful activity at recess. b. Tuan is a student at (42) .................. European university. He is learning (43) ................Economics. c. (44) ....................teacher you are going to see this afternoon is (45) .................kind woman. d. (46) ................ Vietnamese students often play (47)......... game of soccer after school. e. Most (48)............... children feel sacred when they go to see (49) ................ dentist. f. We need (50) ....................... one hundred thousand dong phone card at the postoffice.

$a$. Playing basketball is (41)..........a............ useful activity at recess.

$b$. Tuan is a student at (42) .....a............ European university. He is learning (43) ......0..........Economics.

$c$. (44) .......The.............teacher you are going to see this afternoon is (45) ......a...........kind woman.

$d$. (46) .......0......... Vietnamese students often play (47)..a....... game of soccer after school.

$e$. Most (48)......0......... children feel sacred when they go to see (49) ......the.......... dentist.

$f$. We need (50) .........a.............. one hundred thousand dong phone card at the postoffice.

$#Vnhyee$