Giúp em với ạ em chỉ còn 10p thui

1. He's not sure when he should start the computer. A. when to start B. what to do C. whether to tell. D. how to deal 2. They wondered how they could deal with this problem. A. how to do B. what to say C. who to visit D. how to deal 3. Many young people are now involved in drug A. traf ...