Your headmaster would have been happy to give you two days off, if you had gone and explained that your parents ________ ill at the time.
| A．were | B．had been |
| C．are | D．would be |
It gives me the chance to _______ the help that people give me when it’s sunny.
| A．pay | B．pay off |
| C．pay for | D．pay back |
---John, have you gone over your lessons learnt this morning?
---Not yet.
---You should know _____.
| A．many hands make light work |
| B．Rome wasn’t built in a day |
| C．strike while the iron is hot |
| D．great minds think alike |
Howard Carter is one of the best-known explorers the world _____.
| A．have ever known | B．knew |
| C．had known | D．had never known |
_____the teacher couldn’t understand was _____ fewer and fewer students showed interest in his class.
| A．What; that | B．All that; because |
| C．Why; that | D．What; why |
-- You look so tired.
--- Yes. I _____ the house all the morning. But I’m finishing it soon.
| A．have cleaned | B．have been cleaning |
| C．have been cleaned | D．had been cleaning |