—Must I hand in the weather report this morning?--No, you__.A. mustn't B. needn't C. may not
—Why are there so many ants on the cake? —Because ants smell things _________.
—The children are so afraid. Shall we ________the bush to find the ghost? —OK, let’s have a look. There may be something strange.
Suddenly, they heard ______ whisper from the bushes behind _______tree on the left.
—Do you like to sleep with the windows ________? —Yes, I’d like to feel the air and wind.
---Can we swim in the river? ---_______. It's dangerous to swim here.