He never _______ a hat even if (即使) it is winter.
- How does your project help poor children in that Hope Primary School, Mr Lee? - We help them _______sending them teachers and books.
--- How long have they ______ France? --- For about half a year.
Many doctors and scientists are working hard on curing AIDS. We hope AIDS _____ one day.
—How long _______home?—For about three months.
- Have you finished your fashion design? - Not yet. I'll finish it if I _______ ten more minutes.