71 . They ...............................usually.............................(not go ) to school by bike .
72 . ..................................they ...............................( be) beautiful ?
73 . Manh ....................................( not play ) soccer at the moment .
74 . Minh ....................................( play ) chess with Nam at the moment .
75 . They often ...................................( visit ) their parents on Saturday .
76 . ..............................she..................................( study ) now ?
77 . My and I always ........................................( go ) to the contryside .
78 . He ...............................( not be ) at home now .
79 . Hanh .....................................( not read ) book at the moment .