Chọn các từ đúng để hoàn thành câu:
1 : The river 's dangerous . You ......... swim here . A : can B : can't C : must D : mustn't
2 : London 's a big city , but Tokyo is ........... than London . A : the biggest B : biggest C : bigger D : big
3 : What ......... the weather .......... ? - It 's cool . A : is / like B : does / like C : are / like D : do / like
4 : ............. Geography Club . A : welcome B : well come C : welcome to D : well come to