What’s your first impression ________ Mrs Wang?—-She looks serious. I think she’ll be strict _____ us _______her own work.

When I passed the river, I saw some children ______ on the sand.

____ is this coat?— $ 40. [ ]

We’ll go for a picnic if it _______this Sunday .

An old friend of my sister’s always helps my brother andwithEnglish.