问题：
【题文】---Will you be ____ this afternoon , John?
----It depends. I’ m afraid I’ll be called in by my boss.
A．suitable
B．available
C．accurate
D．convenient
【题文】---Will you be ____ this afternoon , John?
----It depends. I’ m afraid I’ll be called in by my boss.
----It depends. I’ m afraid I’ll be called in by my boss.
| A．suitable | B．available | C．accurate | D．convenient |
参考答案：