—You were mistaken _____ Jane,she really wanted to help you.—I admit that I mistook her offer _____a threat. Anyhow,I don’t like the way she acts.
Suddenly my friend noticed another classmate passing by the restaurant and he________to stop him.
She________Japanese when she was in Japan.Now she can speak it freely.
Care should be taken at all times to________the instrument from dust and damp.
It’s often less expensive to buy goods in ________quantity,but you’d better examine ________ quality before buying them.
I thought I was going to fail the exam,but I succeeded ________.