— Look! The girl __________ long hair is building a snowman. Is she Sandy? — It __________ be her. I’m not sure.
Sportsmen wanted to arrive earlier so that they could have time to before the race.
Earthquakes always happen , so it is difficult to know when they come.
Because it every day, the window is very clean.
一I can’t believe you have finished the work. 一 My friends helped me out. Just as the saying goes,”__________.”
一What should we take when going birdwatching? 一 We should take a pair of binoculars ____________the birds clearly.