If you want to make a fruit salad, you should choose fruit _____ and never leave it in the air for ____________, or it’ll turn brown quickly.
The boy ___________ and then he __________ after he took the medicine.
As a student, I can’t afford __________ a new mobile phone.
English is not easy, but I never __________.
Your help made __________ for me to work out this problem.
I don’t think _______ Maths is easy.