Unit2 V-ing作主语和宾语练习题一、用所给动词的适当形式填空1.Through the task was difficult,they managed (finish) it on time.2.Imagine (travel) around the world and (taste) all the delicious foods in different counties.3.I suggest (invite) him to speak on education.4.He promised (attend) our meeting, but he didnt turn up.5.I practice (play) the piano in my spare time.6.All the boys are looking forward to (feed) the animals.7.I always prefer