I got to the office earlier that day,________ the 7:30 train from Paddington.
| A．caught | B．to have caught |
| C．to catch | D．having caught |
— What terrible weather! It ___ for more than a week!
—The rain season will last about a month.
| A．rains | B．will be raining |
| C．rained | D．has been raining |
I was ___ in the middle of my call because I had no more pennies to put in the box.
| A．broken in | B．cut off |
| C．hung up | D．put down |
Once ___ what to do, these computers will show great power in carrying it out.
| A．to teach | B．teaches | C．teaching | D．taught |
He talked about the classmates and the school ___ he had visited.
| A．which | B．that | C．who | D．about which |
Americans eat __ vegetables per person today as they did in 1910.
| A．more than twice | B．as twice as many |
| C．twice as many as | D．more than twice as many |