—Jack took the 8:30 bus to Guangzhou this morning.—Really? He ______ 8:20 Express. It is much more comfortable and faster to travel by train.
The trapped car could hardly make any advance and ________ could it draw back in the mud.
.--- How would you like your tea? --- ______.
.Mr. Brown has a strange way of writing. This is a notice from him, but no clear ______ of what he has written can be made at all.
Someone who lacks staying power and perseverance is unlikely to ______ a good researcher.
.-- His father is a professor and has been teaching in the university for more than twenty years. -- _____.