When I got on the bus,I_____I had left my wallet at home.
| A．was realizing | B．realized | C．have realized | D．would realize |
— I think he is taking an active part in social work.
—I agree with you __________.
| A．in a way | B．on the way |
| C．by the way | D．in the way |
I have offered to paint the house __________ a week’s accommodation.
| A．in exchange for | B．with regard to |
| C．by means of | D．in place of |
I _____ you yesterday, but you weren’t in.
| A．rang | B．rang to |
| C．rang with | D．rang to |
—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 |