12. He no longer collects stamps as he used to. No longer____
A he collects stamps as he used to B does he collects stamps as he used to
C does he collect stamps as he used to D doesn’t he collect stamps as he used to it.
13. ____, all the matter is formed of molecules.
A It doesn’t matter if the complex B It’s not a complex matter
C No matter how complex it is D How complex is not a matter
14. No more ____to worry about the future sources of energy.
A don’t we have B we don’t have C do we have D we do have
15. Hardly____asleep when the phone woke him up again.
A had the doctor fallen B did the doctor fall C the doctor fell D the doctor has fallen
16. Not until darkness fell____he hadn’t done half of his work.
A that he realized B did he realize C that he didn’t realize D didn’t he realize
17. Seldom____of Nancy Johnson as coloured.
A her classmates thought B thought her classmates
C her classmates did think D did her school classmates think