. Fill in the gaps with one of the verbs from the list in the correct form.

ask, go, open, climb, wash, post, help, buy

a) I think I will ___________some flowers for my mother.
b) Bill went to the post office _________ some letters.
c) Let me ___________________with your homework.
d) I want _________a mountain before I’m thirty.
e) We must _________________the car today. It’s very dirty.
f) I don’t know how ________________the windows in this room
g) I couldn’t ____________________on holiday last summer.
h) Can I _______________________you a question, please?