1.Look at the terrible situation I am in! If only I _____ your advice.
A.follow B. had followed C.would follow D. have followed
2.Many difficulties have _____ as a result of the change over to a new type of fuel.
A.risen B. arisen C.raised D. arrived
3.He made such a _____ contribution to the university that they are naming one of the new buildings after him.
A.genuine B. minimum C.modest D. generous
4.Helen was much kinder to her youngest child than she was to the others, _____, of course, made the others jealous.
A.who B. that C.what D. which
5.In the advanced course students must take performance tests at monthly _____.
A.gaps B. intervals C.length D. distance