The value of life lies not in the length of days ，but in the use we ______ them.
| A．make | B．made of | C．made | D．make of |
People have always been ______ about exactly how life on earth began.
| A．curious | B．excited | C．anxious | D．careful |
As a child , Jack studied in a v
illage school , _____ is named after his grandfather.
| A．which | B．where | C．what | D．that |
--- I cannot find Mr. Smith. Where did you meet him this morning?
--- It was in the hotel ____ he stayed.
| A．that | B．where | C．which | D．the one |
The workers ______ the glasses and marked on each box“ This Side Up”
| A．carried | B．delivered | C．pressed | D．packed |
We _______ on this project for four hours. Let’s 
have a rest.
| A．are working | B．have been working | C．worked | D．had worked |