Keep off the wet hill path. You ________ fall and hurt yourself.
A.must B.should C.need D.may
I will take the responsibility if anything goes ________.
A.wrong B.mad C.well D.badly
— ________ do you usually go fishing, John?
— About once a week.
A.How B.How often C.How soon D.How long
Of the three maths problems, I have just solved ________ difficult one.
A.the more B.the most C.a most D.more
A large number of ________ will be on sale on the Internet as promised.
A.news B.progress C.tickets D.physics
This course is too easy for her son. She is planning to change to ________ one.
A.another B.other C.the other D.others
