I spent five hours_____________ the book__________ I paid 10 dollars.
| A．reading; that | B．to read; for that | C．read; which | D．reading; for which |
We should do such exercises in the future, I think, _____ we did yesterday.
| A．as | B．for | C．about | D．than |
We should do more such exercises in the future，I think，_____ those we did yesterday.
| A．as | B．like | C．about | D．than |
——What should I wear to attend his wedding party?
——Dress ____ you like.
| A．what | B．however | C．whatever | D．how |
It is what you do rather than what you say______matters.
| A．that | B．what | C．which | D．this |
—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
| A．enough | B．too | C．so | D．very |