1] you're the best guitarist in the school
no one ...in the school is better at guitar as you..............................................
[2] he didn't remember anything about it and I didn't either
he forgot ....anything about it, and I did, too ..................................................
[3] school uniforms don't have to be worn at all times
students...don't have to wear school uniforms at all times....................................................................
[4] don't fry food which can be grilled
avoid......frying food which can be grilled...........................................
[5] with luck she will win the cookery competition
if...she is lucky, she will win the cookery competition..................