Tom, your father is waiting ________ you at the school gate.
— I know smoking is bad for my health, ____ I just can’t give it up. — It is easier said than done.
I won’t leave the classroom until my homework ______.
--- Lucy often helps her classmates with their study.--- _______ a good girl she is!
We may meet all kinds of difficulties in the future, but we should be confident enough to any challenge.
Millie is quiet and modest and easy________________.