_____the cause of the oil leaks, the specialists can not draw a conclusion before completing a thorough and detailed investigation.
| A．With regard to | B．regardless of |
| C．In response to | D．In spite of |
Mary is so wet. She _______ in the rain.
| A．must be caught | B．must have been caught |
| C．should have been caught | D．can have been caught |
I think my friend Tony is _______to win the tennis game next Monday.
| A．likely | B．possible | C．probable | D．maybe |
Not only ________ interested in football but ______ beginning to show an interest in it.
| A．the father himself is; all his children are | B．the father himself is; are all his children |
| C．is the father himself; are all his children | D．is the father himself; all his children are |
We ________ such great achievements without your efforts. Thanks a lot.
| A．can’t have made | B．couldn’t have made |
| C．were unable to make | D．are unable to make |
A study ________ in the USA in 1977 showed that the chemical ASA in aspirin could prevent a stroke.
| A．carrying out | B． carried out | C．working out | D．worked out |