Stephen Hawking believes that earth is unlikely to be the only planet life has developed gradually.
| A．that | B．where | C．which | D．whose |
Not only my brother but also I ____ good at painting. Both of us ____ good painters.,
| A．are;are | B．am;am | C．ani;are | D．is;is |
Neither my father nor I ____ at home.
| A．am | B．is | C．are | D．be |
Mary as well as her sisters ____ Chinese in China.
| A．are studying | B．have studied | C．studies | D．study |
Neither Tom nor Jack and I ____ his students.
| A．are | B．am | C．is | D．was |
The rich ____ not always happy.
| A．are | B．is | C．has | D．have |