I got up early this morning, but I ________ so because I was not on duty today.
| A．mustn’t have done | B．needn’t have done |
| C．didn’t need to do | D．can’t have done |
—I usually go there by train．—How about _____ by boat this time？
| A．going | B．to go | C．went | D．go |
—Shall I stop here？—No．Go on _____ ，please．
| A．to read | B．reading | C．read | D．to reading |
Do you remember _____ Mr．Smith at the meeting last Saturday？
| A．to meet | B．meet | C．meeting | D．being met |
I don't feel like _____ tonight as I'm so tired．
| A．to read | B．I was going to read | C．reading | D．read |
—Good morning，Bill． —Did you have any trouble _____ through the snow？
| A．driving | B．to drive | C．drive | D．drove |