Betty arrives _______ London _______ the morning of June 1st.
| A．at ; in | B．at ; on | C．in ; in | D．in ; on |
This summer, I’m going to visitGreat Wall.
| A．a | B．an | C．the | D．/ |
Qian Xuesen devoted all his life to ________________ China’s Space Program.
| A．develop | B．developing | C．developed | D．develops |
The new mobile phone can tell me ____________ if I get lost.
| A．where am I | B．where I am | C．who am I | D．who I am |
“Hello Goat and Big Wolf : is one of _____________cartoons in China.
| A．popular | B．more popular | C．most popular | D．the most popular |
____________ students have more spare time for their hobbies now.
| A．A number of | B．The number of | C．A member of | D．Members of |