Speak American English Correctly (3)

Author: Cao Heyu
Publisher:
Publish Date: 2002-01-01
Features: This book consists of sixty units, each composed of three parts: unit focus explanation, life conversations, and key points summary. The content includes questions like "What time is it now?", "What date is it today?", "How long do I have to wait for the next bus?", and "How long have you been waiting since you left?"