Instead of calling ________ his uncle, he called ________ my new house with his wife that day.
| A．by; for | B．on; at | C．for; on | D．at; by |
The official made the demand that the soldiers ____ at once _____ battlefront.
| A．leave; for | B．to leave; to | C．left; to | D．to be left; for |
All those second-hand goods are sold at ____ before．
| A．30％ as lower price as | B．30％ as low a price as |
| C．as 30％ low price as | D．30％ lower price than |
——The switch to more low-carbon energy, I think, is _____.
——I agree with you.
| A．in a way | B．on the way | C．by the way | D．in the way |
Many a student ____ going to have themselves ____ in the hospital.
| A．is ; to examine | B．are ; examine | C．is ; examined | D．are ; examining |
Three minutes earlier ____ we could have caught the early train to Philadelphia.
| A．or | B．but | C．and | D．so |