The plane takes off at 6:00 p.m. So I have to arrive at the airport ________ 5:30 p.m. at the latest.
A after B. since C. until D. by
The government has taken measures tothe high prices of daily goods to keep the market stable.
| A． | take down | B． | bring down | C． | hand down | D． | tear down |
Clinical evidence began to__________, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.
| A．operate | B．straighter | C．approve | D．accumulate |
The minister said. “We are ready for discussions with any legal parties, but we’ll never_______ with criminals.”
| A．negotiate | B．quarrel | C．argue | D．consult |
Know font if we want to the success but they may also________ out thinking.
| A．direct | B．limit | C．change | D．improve |
The state-run company is required to make its accounts asas possible for its staff to monitor the use of money.
| A． |
punctual |
B． |
accurate |
C． |
vertical |
D． |
transparent |