Easy Word | Luyện ngữ pháp

Luyện ngữ pháp English Grammar in Use (Unit 57: Verb -ing or to ... 2)

Exercises - 57.3

I was very tired. I tried ⁽¹⁾ (keep) my eyes open, but I couldn't.
I rang the doorbell, but there was no answer. Then I tried ⁽²⁾ (knock) on the door, but there was still no answer.
We tried ⁽³⁾ (put) the fire out but without success. We had to call the fire brigade.
Sue needed to borrow some money. She tried ⁽⁴⁾ (ask) Gary, but he was short of money too.
I tried ⁽⁵⁾ (reach) the shelf, but I wasn't tall enough.
Please leave me alone. I'm trying ⁽⁶⁾ (concentrate).
I need a change. I need ⁽⁷⁾ (go) away for a while.
My grandmother isn't able to look after herself any more. She needs ⁽⁸⁾ (look) after .
The windows are dirty. They need ⁽⁹⁾ (clean).
Your hair is getting very long. It needs ⁽¹⁰⁾ (cut).
You don't need ⁽¹¹⁾ (iron) that shirt. It doesn't need ⁽¹²⁾ (iron).
They were talking very loudly. I couldn't help ⁽¹³⁾ (overhear) what they said.
Can you help me ⁽¹⁴⁾ (get) the dinner ready?
He looks so funny. Whenever I see him, I can't help ⁽¹⁵⁾ (smile).
The fine weather helped ⁽¹⁶⁾ (make) it a really nice holiday.