-Did you come to the museum by bike yesterday?
-No. Two inches of snow fell during the night. As a result, several main roads___
A.piled snow | B.had been closed | C.were blocked | D.covered with snow |
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 |
If we ________ now to protect the environment, we’ll live to regret it.
A.hadn’t acted | B.haven’t acted |
C.don’t act | D.won’t act |