--- Jack fell off the ladder yesterday, but he is all right now.
---What a lucky dog! He _______ himself badly.
| A．could injure | B．must have injured |
| C．should injure | D．might have injured |
The traffic rules say children under the age of four and ______ less than 40 pounds must be in a child safety seat.
| A．being weighed | B．to weigh | C．weighed | D．weighing |
The audience were deeply impressed by his speech with tears _________ their eyes.
| A．to fill | B．filling | C．filled | D．to be filled |
—Johnson is indeed a wise man.
—Oh, yes. How often I have regretted ______ his advice!
| A．to take | B．taking | C．not to take | D．not taking |
As the years passed, many _________—birthdays, awards, graduations—were marked with Dad’s flowers.
| A．conditions | B．examples | C．occasions | D．States |
Who would you rather ________ your place since you are in hospital？
| A．have take | B．have to take | C．take | D．have taken |