1. We (not visit) _____________ Nha Trang yet.
2. Trung is learning to play the guitar. He (have) _______________ guitar lessons twice a week.
3. If it is nice tomorrow, we (plant) ______________ some young trees in our garden.
4. We might (go) _______________ to the Moon for our summer holidays in 2050.
5. I was ill so I (not come) ________________ to school yesterday