(vii) The children were frightened because it (getdark). (Use Past Continuous Tense) (viii) They ...................... (walk) ten miles and are resting now. (Use Present Perfect or Present Perfect Continuous form) (ix) How long you (wait) for me ? (Rewrite in Present Perfect Continuous form) (x) We .............. the lesson after the teacher .............. it to us (understand, explain). (Use Past Indefinite or Past Perfect form) (xi) Did you go .............. where last night. (Use some or any) (xii) Put ......................... salt in it; the cook hasn’t put .............. (Use some or any) (xiii) It’s very cold; we cannot go out. (Rewrite using ‘too’ or ‘enough’) (xiv) I am .............. busy. I can’t see you today. (Supply ‘too’ or ‘very’) (xv) Don’t watch the film on TV this evening .............. you have a weak heart. (Supply ‘if’, ‘even if’, ‘unless’) ​