The top students believe being careful is the ______ to good scores on their exams.A. secret B. form C.process
They argued________ each other ________ the math problem yesterday.
--- What’s________ with him?---- He has a headache.
We’ve got no coffee.Let’s have tea________.
It’s difficult ________ me to follow you.You speak too fast
I will do some cleaning as soon as I ________ my homework