[填空题]He is always busy, so I don’t care________________________(他是否有空)this Sunday.

[单项选择]Since he was busy, so he didn’t come.
A. Since
B. was
C. so
D. didn’t

[单项选择]He is so kind and generous that he always casts his （）upon the waters.
A. stone
B. bread
C. sand
D. fish

[单项选择]Tim’s always busy _______ One thing or another and you never find him at play．
[A] in [B] with [C] of

[单项选择]Mack is very busy; he is a full-time student, while______a part-time job.
[A] to hold [B] held
[C] being held [D] holding

[单项选择]Alone in a deserted house, he was so busy with his research work that he felt ______ lonely.
A. nothing but
B. anything but
C. all but
D. everything but

[单项选择]The famous Dr. Edward Jenner was busy trying to solve the problem of smallpox. After studying case after case, he still found no possible cure. He had reached an impasse in his thinking. At this point, he changed his tactics. Instead of focusing on people who had smallpox, he switched his attention to people who did not have smallpox. It turned out that dairymaids(挤奶女工)apparently never got the disease. From the discovery that harmless cowpox gave protection against deadly smallpox came vaccination(牛痘) and the end of smallpox as a scourge(灾祸) in the Western world.
We often reach an impasse in our thinking. We are looking at a problem and trying to solve it and it seems there is a deadened, and "aporia" (the technical term in logic meaning "no opening"). It is on these occasions that we become tense, we feel pressured, overwhelmed, in a state of stress. We struggle vainly, fighting to solve the problem. Dr. Jenner, however, did something about this situation. He stopped fighting the
A. deadened
B. depression
C. solution
D. peak

[填空题]He is always (willing)（）to do his homework, so he has not made much progress.

[填空题]I don’t know why he is so absorbed in collecting stamps, _________________. (你不妨当面问问他好了).

[单项选择]I’m busy now, so it will be some time ______ I can leave.
[A] before [B] after [C] when

[单项选择]He is always working（）he can.
A. as hardly as
B. as hard as
C. so hardly as
D. so hard as

[单项选择]He has finally achieved the status he so __________.
A. desired
B. wished
C. hoped
D. longed

[单项选择]A. Because he is busy. B. Because he has to get a report.
C. Because his boss needs him. D. Because he hasn’t run out of bread.