mark the letter a, b, c or d on your answer sheet to indicate the correct answer to each of the following questions.
1 I think I ____ a policeman which road to lake.
A have asked B will ask C will be asking am asking
2 There is a between ____ development and the evironment .
A economically B. economic C economy D economical
3 A person who gives advice is an _______
A inventor B . advisor C.physicist D. scientist