Even if these chemicals are still in experimental stages, they _____ to be a number one hit.
14. There is no doubt__________since he is always a punctual person.
13._________his size, I guessed that he was a basketball player.
12. But for your help, I_____________the exam.
11.Word came________the president would be shown around our school.
10._________to drugs, he ran out of all his money.