Due to the traffic jam, thousands of passengers remained on the freeway.
| A．stuck | B．sticking |
| C．to be sticking | D．to have stuck |
Mary is such a lovely girl_____ many of her classmates are willing to help whenever necessary.
| A．that | B．what | C．whom | D．as |
He is confident,_____ , in my opinion, is the most important in society.
result of cancer.
| A．how | B．that | C．what | D．which |
—John and Lucia got married last week. Did you go to their wedding?
—No, I _____ a lecture in another city.
| A．gave | B．have given | C．had given | D．was giving |
This kind of cloth _____ well. I think it is worthy_________.
| A．washes; buying | B．is washed; buying |
| C．washes; to be bought | D．is washed; to be bought |
When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.
| A．made | B．has made | C．was making | D．had made |