Choose the correct answer (marked A, B, C or D) to each of the following questions.
38. It is two months___________.
A. since it has rained B. since last it rained
C. since it last rained D. since it was last rained
39. He couldn’t set up a new world record___________.
A. although he tried hard B. even though he tried hard
C. in spite of the fact that he tried hard D. All are correct.
40. I really wish____________ but I didn’t.
A. I had invited her to the party B. had I invited her to the party
C. I invited her to the party D. I has invited her to the party