She has some trouble _____ out the math problem.
A. work B. to work C. working D. Works
You have to adapt_____ the new environment when you go to a new place.
A. with B. to C. for D. On
I want to know _____.
A. who will you go there with B. who will you go there
C. who you will to there D. who you will go there with
Both Mark and Jim _____ very hard. They are top students.
A. studied B. studies
C. study D. to study
Her father used_____ in the countryside when he was a small child.
A. live B. lived
C. to live D. living
Keep your promises. Try _____ late.
A. to be B. be to
C. not to be D. to be not
