To determine that a compartment contains sufficient oxygen to sustain life, you should use

In maintaining that migrating animals would need "a fantastic map sense" to determine thei

"Ex－parte communications" refers to ______.A．something that cannot be determined by the te

You are about to enter a compartment to investigate a suspected smoldering fireIf youre no

He is finally determined to quit smoking for he knows that it may_________ hishealth

According to the passage on entering a railway compartment an overseas visitor is expect

He( ) the idea that he couldn’t do the job and was determined to show them that he was