—Hi, Susan, where were you at lunch time？I ________ a seat for you in the coffee shop.
—Oh, sorry to miss you.My political science class ran longer than usual.
| A．am saving | B．was saving |
| C．had saved | D．have saved |
—Have you nearly finished?
—______, we have just begun.
| A．Above all | B．After all |
| C．On the contrary | D．On the other hand |
Children’s brains can’t develop properly_______ they lack protein.
| A．when | B．since | C．because | D．unless |
This is the very toy car ________ which he came here the other day.
| A．by | B．in | C．for | D．on |
I began to fish before memory began, _______ I know I have always fished.
| A．so far | B．so as far as | C．as far as | D．so |
_____ I had done it I knew I had made a mistake.
| A．Hardly | B．Directly | C．Mostly | D．Nearly |