A Make sentences as in the example.
Example: not easy / write instructions in PASCAE
It is not easy to write instructions in PASCAL.
1 advisable / test the program under different conditions
2 expensive / set up a data-processing area
3 unusual for a program / work correctly the first time it is tested
4 difficult for students / learn FORTRAN
5 important / consider the capabilities of the programming language
6 quite easy / write instructions in BASIC