-Were you swimming an hour ago? -No, __________.A. I am not B. I didn't C. I wasn'tD I am
----I wonder if your father _______ you to go swimming. ----I’m not sure. But I will tell you if he _______ to let me join you.
The book will ______ you when you need help.
----My cousin is good at all his subjects at school, but he never ________. ----What a ________ boy! We should learn from him.
What should we _______ in class? We should pay attention _______ notes when necessary.
My parents want me to get further study to be ____ an engineer _____ a scientist, ______ I would like to be a famous surgeon doctor.