—Where is your uncle?—He _____ to South Africa on business. He has ______ there twice.
It’s our_________/'dju:ti/to study hard.
We must _________/kli:n/the classroom every day.
How often do you take a shower? I take a shower________/ wins/ a day.
This isn’t my ______/hæ t/.
Sir, you should__________ at the red light.But you didn’t.