Chia động từ trong ngoặc sao cho đúng :
1: Hoa 's brother ( be ) .................... an engineer but hr ( not work ) ........... at the moment , he ( plant ) .............. some trees in his garden
2: look ! some one ( climb ) .................. up the tree . it ( be ) .................... very dangerous
3: what you ( do ) .............. at the present ?
- oh , we ( make ) .................. some paper planes . would you like ( make ) ..................... them ?
- i'm sorry . i ( be ) ............. very busy
4 : they ( cook )...................... dinner in the kitchen now ?
- yes , they ( cook ) ........................ abig meal for their daughter 's birthday tonight
giúp mk nha ai nhanh mk tk