การตรวจสอบ Englisch:

He opened a checking account with the bank.

The man is checking in at a hotel.

Deposit this check in my checking account.

We don't have time to finish checking the figures now, but we can go over them after lunch.

I'm checking out.

The policeman was checking the cars one-by-one.

Mark likes checking his emails during breakfast.

I can only put this poor checking down to lack of people at work.

You must switch off the power before checking the circuit.

Checking the clock it was exactly 21:00.

Since primary school we've been checking for the qualities known as acidity and alkalinity with litmus paper.

Have you thought of checking the oil level?

What's the big deal about checking my email every 15 minutes?

The girl is checking out the rear of the bicycle.