See the flags on top of the building? That was _______ we did this morning.
| A．when | B．which | C．where | D．what |
How strange! These years my birthday always falls _____.
| A．on the Sunday | B．on a Sunday | C．on Sunday | D．at a Sunday |
As _____ writer, he was _____ complete failure.
| A．a, a | B．a, the | C．不填，不填 | D．a, 不填 |
—I’ve got an “A” in the examination.
—That’s a good ______. You will surely win a second.
| A．result | B．news | C．start | D．idea |
In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
| A．ins and outs | B．dos and don’ts | C．heads and tails | D．t’s and i’s |
Electricity, like other forms of ______, has greatly increased in price in recent years.
| A．pressure | B．force | C．strength | D．energy |