Asimov began having his stories ______ in science magazines in 1939.
| A．publish | B．published | C．publishing | D．to publish |
______ part that women _______ in society is great.
| A．The; play | B．A; take | C．A; play | D．The; take |
He arrived here at noon, in the day, and he went out and came back in the day.
| A．late; late | B．late; later |
| C．later; late | D．later; later |
You are really very kind. I’ll never forget the you have done to me.
| A．favour | B．deed |
| C．help | D．good |
A computer is so useful a machine ________ we can use everywhere.
| A．that | B．which | C．as | D．what |
---Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
| A．How come | B．When | C．How | D．Why not |