𝗥𝗲𝗮𝗱 𝗮𝗻𝗱 𝗳𝗶𝗹𝗹 𝗶𝗻 𝘁𝗵𝗲 𝗴𝗮𝗽𝘀.
Steven wants to go out with his friends but his mum says he _____ go until he has finished his homework.
can't
needn't
might
may