3 Complete the sentences with the correct words.
1 My uncle is a _ _o_o_i_t. He studies the structure of the earth.
2 She took some soup out of the fridge and put it in the _ _c_ _w_v_ o_e_ to heat it up.
3 I tried to call him but he kept losing the _ _g_a_. He was probably on the train.
4 The _ _s_ _v_ry of penicillin by Alexander Fleming helped fight many dangerous diseases.
1 My uncle is a _ _o_o_i_t. He studies the structure of the earth.
2 She took some soup out of the fridge and put it in the _ _c_ _w_v_ o_e_ to heat it up.
3 I tried to call him but he kept losing the _ _g_a_. He was probably on the train.
4 The _ _s_ _v_ry of penicillin by Alexander Fleming helped fight many dangerous diseases.
