(单选题)9: He has _______ much time and energy for his invention. A: contained B: proceeded C: consumed D: paid ...
(单选题)4: Go and fetch a chair for him, ___________. A: don't you B: shall you C: won't you D: will you ...
(单选题)1: They tried to ____ hard plastics for metals in manufacturing machine parts. A: replace B: substitute C: take the place of D: give way to ...
(单选题)7: _______ for many years, the writer suddenly became famous. A: Having ignored him B: To be ignored C: To have been ignored D: Having been ignored ...
(单选题)1: One of the requirements for the fire is that the material ________ to its burning temperature. A: is heated B: will be heated C: would be heater D: be heated ...
(单选题)13: She cooked the meat for a long time so as to make it ________ enough to eat. A: mild B: slight C: light D: tender ...
(单选题)23: As we can no longer wait for the delivery of our order, we have to ________ it. A: postpone B: refuse C: delay D: cancel ...
(单选题)19: She cooked the meat for a long time so as to make it ________ enough to eat. A: mild B: slight C: light D: tender ...
(单选题)13: The U. S. A. is known as a “Melting Pot” for its (). A: mixture of religions B: mixture of nationalities C: mixture of climates D: mixture of habits ...
(单选题)32: He tried to( )with the manager for has salary. A: evaluate B: object C: bargain D: pause ...