— Could you do me a favor to take this book to John?
— _____
| A．With pleasure. | B．Go ahead. |
| C．Good for you! | D．Come on! |
. The problem is _____ will go.
| A．that | B．when | C．who | D．whoever |
He misunderstood _____ I said.
| A．that | B．when | C．where | D．what |
Is this _____ ?
| A．you are looking for | B．that you are looking for |
| C．what are you looking for | D．what you are looking for |
The trouble is _____ we are short of hands.
| A．what | B．that | C．how | D．why |
. The guide showed the travelers _____ of the factory.
| A．in | B．out | C．off | D．around |