It is important to know about the cultural differences that cause problems.
| A．must | B．dare | C．shall | D．may |
All morning as she waited for the medical report from the doctor, her nervousness ________.
| A．has grown | B．is growing | C．grew | D．had grown |
—You haven’t said a word about my new coat, Brenda. Do you like it?
—I’m sorry I ________ anything about it sooner. I certainly think it’s pretty on you.
| A．wasn’t saying | B．don’t say | C．won’t say | D．didn’t say |
The first use of atomic weapons was in 1945, and their power ________ increased enormously ever since.
| A．is | B．was | C．has been | D．had been |
She ________ her hairstyle in her hometown before she came to Chongqing for a better job.
| A．would change | B．has changed | C．changed | D．was changing |
The crazy fans ________ patiently for two hours and they would wait till the movie star arrived.
| A．were waiting | B．had been waiting | C．had waited | D．would wait |