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