I think ___ good knowledge of English is ___ great help when you are traveling around the world.
| A．X，a | B．a，a | C．a，the | D．a，x |
For those who go to college, there are still hundreds of high-paying jobs that only require a high school diploma.
| A．can’t | B．mustn’t | C．shan’t | D．needn’t |
Hainan is a very large island and it’s the second island in China.
| A．large | B．larger | C．largest | D．most large |
Yang Jiechi stated firmly that the Diaoyu islands had belonged to China from ancient times and in 1895 after Japan defeated the Qing Dynasty in a war.
| A．seized | B．were seized | C．have been seized | D．had seized |
The ground is slippery. Hold onto the rope and don’t .
| A．put off | B．turn up | C．let go | D．take apart |
I don't believe we've met before,I must say you do look familiar.
| A．therefore | B．although | C．since | D．for |