Các bạn giúp mik với ạ 
10/ Hello, this is Dr Smith's office. Who (speak)
11/ Hurry up ! The train (come.
12/ It is a lovely day. The sun (shine).. .. and the birds (sing).
13/ The Earth (go).. . round the Sun.
14/ Some animals (not eat) . during the winter.
15/ - What .Oanh (do) . at the moment ?
- She (cook) . She usually (cook). . dinner for her family.
16/ In the evening he often (play) . chess with his door neighbour.
17/ They (build). . a new hospital in my town now.
18/ My father always (have) . .a rest after lunch.
19/ She's very lazy. She never (wash) .the floor.