Thousands of years ago, people killed the wild horse that lived around _____ food. _____ time, people began to catch and raise animals .
| A．for; Through | B．as; During | C．for; Over | D．on; Over |
My father began to work ______ a bus driver when he was 20 years old.
| A．for | B．to | C．at | D．as |
It was Jane_____ I saw in the library this morning.
| A．that | B．which | C．what | D．when |
If we follow his plan, we can do the job better with _____money and ____people.
| A．less, less | B．fewer, fewer | C．less, fewer | D．fewer, less |
----Let’s ________some dumplings right now.
---- OK. I will cut up the meat first.
| A．eat | B．buy | C．heat | D．make |
When Mary came, I _____ on the piano.
| A．is playing | B．plays | C．was playing | D．played |