Ⅰ.单句语法填空
1．The scientists discovered this by __following__(follow)and filming groups of chimps in Uganda.
2．It is calculated by__dividing__(divide) a person's weight in kg by their height in meters squared.
3．They are considering __going__(go) to Hainan for the summer holiday.
4．I regret not __having__taken__(take) your advice.
5．We were all very__astonished__at the news.I found it very__astonishing__. (astonish)
6．We won't have you __getting__(get) away with telling people lies.
7．To his horror, on the way home he found a man __lying__(lie) on the ground, dead.
8．We will do everything we can to prevent him from __hurting__(hurt) himself.
9．I know it's not important but I can't help__thinking__(think) about it.
10．Her job is__keeping__(keep) the lecture hall as clean as possible.
