The hunter his gun against the tree and down for a rest.
| A．laid, lay | B．lay, laid | C．laid, lied | D．lied, lay |
Look at the terrible situation I am in! If only I__________your advice.
| A．follow | B．would follow |
| C．had followed | D．have followed |
—Where is Jack?I can’t find him anywhere.
—He__________ his homework upstairs.
| A．might have done | B．must have done |
| C．must be doing | D．must do |
I don’t know why he is late.
—Nor do I.He__________an accident.
| A．could have had | B．should have had |
| C．might have had | D．must have had |
—My little daughter is coughing worse than ever.
—She__________to the hospital yesterday.
| A．had to be taken | B．should have taken |
| C．must have been taken | D．ought to have been taken |
—Tom,did you see the film “Jaws” last night?
—Yes,but I really__________,because I had lots of work to do.
| A．couldn’t have |
| B．mustn’t have |
| C．needn’t have |
| D．oughtn’t to have |