We all agree that _______ good knowledge of physics is a must in explaining such _______ natural phenomena.
A. a; / B. a; a C. /; a D. /; /
— How many jobs _______ Collin Manning, the exchange teacher to our school, has done?
— Five, _______ cook to teacher.
A. is it that; ranged from B. are there what; ranging from
C. is it that; ranging from D. are there what; ranged from
— I went to work on foot yesterday, though it _______ cats and dogs.
— You _______ by bus. It was easy for you to get a cold.
A .is raining; must have gone B. rained; would go
C. have rained; could have gone D. was raining; should have gone
They earn a great deal, but they can’t balance their _______ because the wife is often ill.
A. plan B. budget C. project D. prediction
Nobody but doctors or nurses and those _______ by Dr. Hu _______ to enter the patient’s room.
A. invited; is allowed B. inviting; are allowed
C. are invited; is allowed D. invited; are allowed
Many of the creatures in Rowling’s world are not real, and much of ________ happens is strange.
A. which B. that C. it D. what
