---Would you like to go for a walk with us?
--- , but I’m too busy.
| A．No, I can’t | B．Yes, I’m glad. | C．Yes, I’d like. | D．Yes, I’d like to. |
Excuseme,couldyouhelpme?Idon’tknow_________exchangemoney.
| A．howto | B．how | C．howcan | D．howcan I |
We will write a letter to you as soon as I________free time．
| A．have | B．had | C．will have | D．am having |
We heard someone________in the next room．
| A．singing | B．to sing | C．sang | D．sings |
________our surprise，he went out of the forest by himself．
| A．To | B．For | C．At | D．With |
They had the same opinion．I was also _____agreement．
| A．for | B．in | C．with | D．over |