(单选题)15: Most people (A) work to earn a living (B) and they produce goods and services(C). Services are such things like (D) education, medicine, and commerce. (选择有误的一项) A: Most people B: a living C: goods and services D: such...
(单选题)9: You’d better have the bicycle ___ immediately. A: repair B: to be repairing C: been repaired D: repaired ...
(单选题)3: The ancient Egyptians are supposed ___ rockets to the moon. A: to send B: to be sending C: to have sent D: to have been sending ...
(单选题)17: If I hadn’t stood under the ladder to catch you when you fell, you ___ now. A: couldn't have smiled B: wouldn't be smiling C: didn't smile D: won't smile ...
(单选题)19: The train is bound ___ London. A: to B: towards C: toward D: for ...
(单选题)7: She can stay in her workroom for 10 hours without eating or sleeping, all her attention ___ her A: focusing on B: focused on C: focusing in D: focused in ...
(单选题)15: Nancy is________ girl. A: a eighteen-year-old B: an eighteen-years-old C: a eighteen-years-old D: an eighteen-year-old ...
(单选题)9: Since they speak different languages it is really hard for them to ___ with each other. A: understand B: express C: communicate D: go ...
(单选题)17: She has an appetite ___ music. A: at B: for C: about D: in ...
(单选题)11: Our new house is very ___ for me as I can get to the office in five minutes. A: adaptable B: convenient C: available D: comfortable ...