Ex1: Hãy dùng đúng hình thức của những động từ trong ngoặc .
1. We are fond of ( take ).......taking................ part in our school activities
2. I arrange ( meet )...........to meet............ my friends next week
3. I am beginning ( understand ).........to understand......... what you mean
4. Please go on ( write ) .........writing.......... I don't mind ( wait )......waiting...........
5. The manager told them ( work ) ..........to work........ faster
6. Your windows need ( clean) ........cleaning.......... Would you like me ( do)....to do.......... them for you ?
Chúc bạn học tốt!