Question

Use can,couldor be able to.
a)______ help my mother wich cleaning the house yesterday.
b)______he______ to reach the customer if he calls him in the afternoon?
c)Such natural resources______be found only in America.
d)How__________ you make such a mistake?
e)Mary_________tu count in Frenchif she does her best to learn the numbers.

Answer 1

a)I am able to
b)Is he able ........
c)can
d)could 
e)is not able