Choose the best verbs to complete the sentences.

Choose the correct option.

The teacher [spotted|glared|caught a glimpse] at us in such an angry way that we suddenly realised we were in big trouble.

I didn't [stare|glance|spot] anything unusual in the park. However, I felt really puzzled. What about you?

Stop [staring|glimpsing|observing] at Judy! She's shy and she feels uncomfortable in your sight.

If you catch a [glare|glance|glimpse] of anything unusual, please, contact us without delay!

I won't buy anything! I'll just [glare|glance|stare] quickly if they have my size or not.