单选题

. 5. He lost all his wealth in the economic crisis; he killed himself in（）

单选题 We promise that the products will be （）on time.

单选题  These plants（）ecarbon dioxide, and release oxygen. 

单选题 The ship hit the rock in the deep ocean and all passengers  （）fell into the river.

单选题  Some teachers tend to（）students who are from rural areas. 

单选题 The building （） during the earthquake. It went all to pieces.

单选题 His first（ ）was to call 911 when he realized there was a burglar in his house. 

单选题 1. I heard his scream and felt my blood（   ）with fear. 

单选题 Money and wealth（）people into various obligations.