6. When used in sentences for the future

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
a. When Mike (grow) up, he (be) a vet.
b. He (help) animals when they (be) ill.
c. Peter (fly) a helicopter when he (buy) one.
d. Annie (get) married when she (be) 29.
e. When Geoffrey (come) home, his wife (give) him her birthday present.
f. The Robinsons (travel) to Mars when they (grow) old.
g. Mimi (learn) to play the tuba when she (be) 17.
h. Mike (go) scuba diving when he (take) holidays next year.