It was ________ impossible for her to catch the 9 o’clock train. I know she got up at 9:15.
At the age of 29, Dave was a worker, ______ in a small apartment near Boston and ______ what to do about his future.
As a teacher , we should try to _____ it ____ to our students how helpful a correct learning method is .
Business is improving but much more work and common sense will be ______ before any profits can be realized .
I. 单项选择(共35题,每小题1分,满分35分) --- Where is Sherry ? --- In _______ study , working on ______ difficult physics problem.
—Have you decided ________ you will buy a family car? —Well,my husband hopes to have one next year.