He ___________ the volunteer group last year and ___________ many activities since then. A. took part in…joined B. joined…took part in C. joined…has taken part in
口语应答 What’s this? A. I’m fine, thank you. Good evening! B. B-O-O-K. How are you? C. It’s 023-66226754. Good bye! D. Hello. What’s his name? E. It’s an apple. Hello. F. Good evening. What’s her phone number? G. His name’s Jim. Nice to meet you! H. It’s green. Spell it, please. I. Bye—bye. What color is it? J. Nice to meet you, too.