Ⅰ．用适当的情态动词填空
1．I love the weekends, because I __needn’t__ get up early on Saturdays and Sundays.
2．It was really annoying；I __couldn’t__ get access to the data bank you had recommended.
3．—Can’t you stay a little longer?
—It’s getting late.I really __must__ go now.My daughter is home alone.
4．It was so noisy that we __couldn’t__ hear ourselves speak.
5．You __may__ feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.
6．You __must__ be careful with the camera. It costs!
7．You __must__ be Carol.You haven’t changed a bit after all these years.
8．I’ve ordered some pizza, so we __needn’t__ worry about cooking when we get home tired.
9．Life is unpredictable；even the poorest __might__ become the richest.
10．__Can__ I have a word with you? It won’t take long.
