Emails are efficient and convenient, but the best way to __________ a message is still to talk it out in person.
| A．attend to | B．break through | C．result from | D．get across |
________ I be free tomorrow, I would go with you.
| A．Could | B．Should | C．Might | D．Must |
If he ________ my advice, he wouldn't have lost his job.
| A．followed | B．should follow |
| C．had followed | D．would follow |
This printer is of good quality.If it ________ break down within the first year，we would repair it at our expense.
| A．would | B．should | C．could | D．might |
Maybe if I ________ science，and not literature then，I would be able to give you more help.(2011·北京)
| A．studied | B．would study |
| C．had studied | D．was studying |
Sorry，I am too busy now.If I ________ time，I would certainly go for an outing with you.(2012·湖南)
| A．have had | B．had had | C．have | D．had |