Tom was about to close the window his attention was caught by a bird.
A.when B.if
C.and D.till
— Mr Smith was caught in a rainstorm yesterday.
— I have known that, and ______ his new car was completely destroyed.
A.fortunately B.hopefully C.thankfully D.unfortunately
Be sure to read the ______ in the guidebook before you begin to use the new computer.
A.instructions B.solution C.descriptions D.message
The English spoken in the United States is only slightly different from spoken in England.
A.which B.what C.that D.the one
You ______ have been out last night, for all the lights in your room were not on.
A.need B.must C.may D.should
We are very proud of what our country ______ in the past seventy years.
A.has achieved B.is achieving C.achieved D.had achieved