Teachers can hardly be______careful when they instruct a lesson.A．veryB．enoughC．tooD．so

______ has long been well known as a poet who can hardly be classified with the old o

Which of the following words can NOT be used to complete "______ the teachers came"？A．Ofte

It can be learned from Paragraph Six that American teachers______.A．are not well-trained a

She can hardly avoid making mistakes in her homework, ______hard she tries.A．forB．asC．howD

Kindergarten teachers’ evaluation may be________.

Kindergarten teachers’ evaluation may be_______.A