—Why, this is Henry speaking. —Oh, I’m sorry. I didn’t ________ your voice on the phone.

.As I grew up in a small town at the foot of a mountain, the visit to the village_____ scenes of my childhood. 

We all hope that our head teacher is both strict ______us and friendly _____ us.

Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.

.Jenny, your paintings are wonderful. I _____ you learned to paint.