1) complete the sentences with the words in brackets.use the verbs in active day. 1-your friend (should,give) some unusual present for his 20th birthday 2-milk (must , keep) in a fridge . don't you know? 3-i tried but i (couldn't ,open) the window 4- someone (have to, take) the child home. he (can't ,leave) here alone. 5- this new book (must,read). it's wonderful! 6- they (shouldn't , spend) so much time in front of the television