基本信息
21. he has ___good knowledge of science and ____sense of humour.. a. a , / b .a, a c. / , a d. /, / 22. although it is not our normal _______to give credit in our shop, this time i think we should consider the matter more closely. a. habit b. practice c. action d. intension 23. i would appreciate _______, to be frank, if goods could be delivered as soon as possible. a. you b. this c. it d. myself
