Please excuse me _______ your letter by mistake.
| A．to open | B．to have opened | C．for opening | D．in opening |
IF you leave the club , you will not be back in.
| A．received |
| B．admitted |
| C．turned |
| D．moved |
At the railway station, the mother waved goodbye to her daughter until the train was .
| A．out of sight |
| B．out of reach |
| C．out of order |
| D．out of place |
The coach asked his staff tothe large group of journalists, waiting for him to announce his training plan.
| A．adapt to |
| B．attend to |
| C．refer to |
| D．appeal to |
The human race has already paid a heavy price for its slow to environment threats.
| A．response |
| B．responsibility |
| C．resolution |
| D．resistance |
Mary and I see each other ____, but not as often as we used to.
| A．sooner or later |
| B．once in a while |
| C．in the end |
| D．more or les |