Mark ______ have hurried. After driving at top speed, he arrived half an hour early.
A. needn’t B. wouldn’t C. mustn’t D. couldn’t
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 village 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
