The computer, help we human beings have stepped into the information age, should be regarded as one of the most important inventions in the 20th century.
A.which | B.whose |
C.with its | D.with whose |
We should consider the students' request __________ the school library provide more books on popular science.
A.that | B.when | C.which | D.where |
—How much do you know about the 3D film technology?
_ A little. Not until the hot movie Avatar __________ some about it.
A.did I see ; did I begin to learn |
B.I saw;I began to learn |
C.I saw;did I begin to learn |
D.did I see;I began to learn |
Some of you may have finished unit one. __________ you can go on to unit two.
A.If you may | B.If you do | C.If not | D.If so |
He observed a stranger __________ around the store at midnight.
A, wandering B. to wander
C. wander D. to be wandering
My sister, an inexperienced rider, was found sitting on the bicycle __________ to balance it.
A.having tried | B.trying | C.to try | D.tried |