It is said that the gravity on Mars is only about of the gravity on earth.
A．three-eighths B．third-eighth C．third-eighths D．third-eight
Now more and more children leave their parents when they grow up.
It makes the old feel .
A．alone B．lonely C．frightened D．enjoyable
---We can use QQ to communicate with each other online.
---Will you please show me________?
A．which to use B．how to use it C．what to use D．where to use it
girls took part in the Super Girl competition, but only few of them succeeded.
A．One million of B．Thousands and millions C．Millions of D．Two millions
---The rain last night. But the fields are still full of water.
---It for nearly a week.
A．stopped; had rained B．stopped; has rained C．stops; had rained D．stops; has rained
My mother often asks me to do some on Sunday.
A．washing B．wash C．to wash D．washed
