The doctor did _________ he could _________ Mary with her leg.
| A．what； to help | B．that； help |
| C．which； to help | D．what； help |
He wanted to read more， so he asked his friend if there was _______ to read.
| A．something easy enough | B．something enough easy |
| C．enough easy something | D．easy enough something |
—Do you have to hold our English party in the classroom?
—Well. I don’t know ______if not there.
| A．what can we do it | B．when can we do it |
| C．where can we do it | D．where we can do it |
They would rather spend time _____ than _____ in the street.
| A．read， hang out | B．reading， hanging out |
| C．read， hanging out | D．reading， hang out |
We _____ walk in the park after supper， talking about all _____ we were interested in.
| A．used to， what | B．were used to， what |
| C．used to， that | D．were used to， which |