CAN VS COULD

I _______ RIDE A BIKE WHEN I WAS THREE YEARS OLD. I LEARNED TO DO IT WHEN I WAS FIVE.

• COULD

• CAN

• CAN'T

• COULDN'T

SHE IS SO SMART, SHE ________ RESOLVE DIFFICULT MATH PROBLEMS.

• CAN'T

• CAN

• COULD

• COULDN'T

I ________ SLEEP FOR HOURS WHEN I WAS A TEENAGER. NOW, I _______ BECAUSE I I'M BUSY ALL THE TIME

• COULDN'T/CAN'T

• CAN/COULD

• COULD/CAN'T

• COULDN'T/CAN

IF I STUDY, I ________ PASS THE ENGLISH EXAM.

• COULDN'T

• CAN

• CAN'T

• COULD

THE MONKEY ________ SWING TREES.

• COULD

• CAN'T

• CAN

• COULDN'T

THE BIRD ________ SWIM

• CAN

• COULDN'T

• CAN'T

• COULD

I DIDN'T HAVE TO WORK ON THE WEEKEND, SO I ________ WATCH TV ALL DAY LONG.

• COULDN'T

• CAN

• COULD

• CAN'T