–Mom, may I play the computer games for a while?
-- _________! Dad is in the study．
| A．Help yourself． | B．It’s up to you． |
| C．Behave yourself． | D．Go ahead． |
(2013·江苏，34)—What about your selfdrive trip yesterday?
—Tiring! The road is being widened, and we ________ a rough ride.
| A．had | B．have |
| C．would have | D．have had |
I'm calling about the apartment you ________ the other day. Could you tell me more about it?
| A．advertised | B．had advertised |
| C．are advertising | D．will advertise |
(2013·四川，3)Hurry up, kids! The school bus ______ for us!
| A．waits | B．was waiting |
| C．waited | D．is waiting |
We are confident that the environment ________ by our further efforts to reduce pollution.
| A．had been improved | B．will be improved |
| C．is improved | D．was improved |
Generally, students' inner motivation with high expectations from others ________ essential to their development.
| A．is | B．are |
| C．was | D．were |