The teacher was absorbed in writing something, only _____ now and then to refer to a book or another.
| A．to stop | B．stopped | C．stopping | D． having stopped |
Although he lived ____ in a ____ mountain village, he didn’t feel ____ at all.
| A．alone; alone; lonely | B．alone; lonely; lonely |
| C．lonely; lonely; alone | D．lonely; alone; alone |
Our teacher told us that there ______ no end to learning.
| A．was | B．has | C．is | D．have |
In China, the number of cities is increasing _____ development is recognized across the world.
| A．where | B．which | C．whose | D．that |
Please _____________ . The class is too noisy.
| A．calm down | B．settle down | C．come up | D．add up |
Currently, some overseas universities are simply selling diplomas to Chinese students ________ their academic performance, so China should check on a regular basis.
| A．on account of | B．in addition to | C．regardless of | D．in relation to |