I have always regretted ______ harder at school.
| A．not to study | B．to not study |
| C．having not studied | D．not having studied |
The children talked so loudly at dinner table that I had to struggle ______.
| A．to be heard | B．to have heard | C．hearing | D．being heard |
—How far apart to they live?
—________ I as concerned , they live in the same neighborhood.
| A．As long as | B．As far as | C．As well as | D．As often as |
We live day by day, but in the great things, the time of days and weeks ______ so small that a day is unimportant.
| A．is | B．are | C．has been | D．have been |
I don’t mind her criticizing me, but________ is how she does it that I object to.
| A．it | B．that | C．this | D．which |
—Where is my dictionary? I remember I put it here yesterday.
—You________ it in the wrong place.
| A．must put | B．should have put | C．might put | D．must have put |