The telephone __________，but by the time I got indoors, it stopped.
| A．had rung | B．was ringing |
| C．rings | D．has rung |
They'll have a beer together______,talking about their separate life, but not often.
| A．by and by | B．now and then | C．all the time | D．more or less |
The twins are so much alike that no one can ________one from the other.
| A．distinguish | B．separate | C．identify | D．recognize |
When I walked past the street, seeing the children playing happily, their happy laughter _______memories of my childhood.
| A．called in | B．called for | C．called on | D．called up |
This is a book, which I dare say, is unequaled ______translation practice is concerned.
| A．as much as | B．as well as | C．as far as | D．as long as |
By the time he was dying, he made a testament that he would______his kidney(肾) to those who were in need of it.
| A．contribute | B．donate | C．provide | D．introduce |