计算机软件和硬件相辅相成,缺一不可。
A. 对
B. 错
1.– Happy birthday to you.
A. That’s OK
B. The same to you
Congratulations
D. Thank you
2.What a hard life they______! You should have help them.
A. took
B. led
C. played
D. Made
3.Our teacher ________ a new red coat today.
A. wear
B. put on
C. is wearing
D. is putting on