FUTURE WITH WILL
Mark ............... start studying now, but his test is only next week.
Mark will start studying now, but his test is only next week.
.......... they ............. the teacher's questions this time? (will + to answer)
Will they answer the teacher's questions this time?
She ......................... sad if they don't buy her a gift. (will + to be)
She will be sad if they don't buy her a gift.