I don’t know when he ______. When he ______, I will let you know.
— I’ m new here . I want to go to the second floor to buy some new furniture . Can you do me a favor ?—Sorry . me too . Let’ s look for the sign _____ together .
— What bad weather !It rained again .— Yeah, _____ when you walk to school .
— Tomorrow we’ ll have an extra training for P.E exam . Be sure to be here on time!— No problem , I’ ll be here 10 minutes _____ .
At present , the terrible foggy haze(雾霾)weather has influenced our normal life badly . So our government should _____ to reduce the air pollution.
You have finished writing an e-mail on computer , but too many mistakes in it . You can click _____ .