It’s clear__________ that a hard working student has___________ a great interest in science.
| A.不填; discovered | B.不填; developed |
| C.that; invented | D.that; developed |
I didn’t see your sister at the cinema. If she ______, she would have met my brother.
| A.has come | B.did come | C.came | D.had come |
____ all behavior is learned behavior is a basic assumption of social scientists.
| A.Nearly | B.That nearly | C.It is nearly | D.When nearly |
By the middle of the 21st century , the vast majority of the world’s population ________ in cities rather than in the country.
| A.are living | B.will be living |
| C.have lived | D.will have lived |
It is because people are likely to stay indoors ______ the virus can spread easily ______ people often catch colds.
| A.and, that | B.so, that | C.therefore, so | D.that, that |
He gave us a nod and muttered a “yes” after _______ seemed like hours.
| A.that | B.which | C.it | D.what |