Boys and girls, keep_____!We should always keep our classroom_____.A.trying,cleaningB. try,cleanedC.trying,clean
–Would you please tell me ________ next ? --Think it over . You’ll find a good way .
There are some _______between _______ languages . So they are used ________.
My good friend is leaving for his hometown . I’m going to ________ .
_______he is only 8 years old , he knows more about science than his father .
—Where’s your mother ? --She has gone shopping with my aunt . She’ll be back ________.