Why do you have to ______ adhere to such out－dated ideas？A．harshlyB．tightlyC．bitterlyD．rig

Cynthia Beall is going to do more research on ______.A．why Ethiopians have more haemoglobi

All you do now is ______ your homework.A．completeB．completingC．having completedD．to have c

–– Kate: Do you have to have that TV on quite so loud？–– Mike:____. Is it bothering you

Speaker A: How do you do？ Im pleased to meet you. Speaker B: ______A．How do you do？ Have a

－－－－－－－Do you have enough to ________ all your daily expenses？ －－－－－－－－Oh yes, enough

— What do you want to do next? We have half an hour until the basketball game.— ________. Whatever y