told me the last mountainous bike you preferredto yesterday was bought by John.—Oh, my! How I regret that I didn’t buy ______.

It’s very hot in the room!-_______ the door open

How is the patient now? Is he out of danger? —No，________than yesterday，I’m afraid.

Just an hour ago he told me on the phone that he __________ home right after his work.

Some steps have been taken to protect the forest _______.