( )I will be back in a minute.You have to wait here for _.
A.some time B.sometime C.sometimes D.some times
( )I felt sorry that you _ stay in hospital for three months.
A.had to B.could C.may D.need
( )They are busy _ an unusual plan for you.
A.to work B.working out C.with work out D.working
( )I could see the students _ trees when I walked past the park yesterday.
A.are planting B.planted C.to plant D.planting
( )My mother stops my little brother _ a lot of noise.
A.from making B.make up C.to make D.making up
( )Please look over your paper carefully _ there are no mistakes.
A.find out B.try out C.to think of D.to make sure