Jack wasn't saying anything but the teacher smiled at him ____ he had done something very clever.
A as if B in case C while D though
Tom took out a piece of paper he and started reading in a clear tone.
| A．was preparing | B．would prepare | C．have prepared | D．had prepared |
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 |