Helen ____ her keys in the office so she had to wait until her husband ___ home.
| A．has leftl comes | B．left; had come | C．had left; came | D．had left; would come |
An Olympic Marathon is 26 miles and 385 yards, approximately _____ from Marathon to Athens.
| A．distance | B．is the distance | C．the distance | D．the distance is |
I walked too much yesterday and _____ are still aching now.
| A．my leg's muscles | B．my muscles to leg |
| C．my leg muscles | D．my muscles of the leg |
Tom has three _____.
| A．brothers-in-law | B．brothers-in-laws |
| C．brother-in-law | D．brothers-in-laws |
My sister had beautiful black long _____ but I could see some white _____.
| A．hairs, hair | B．hair, hairs | C．hairs, hairs | D．hair, hair |
The sperm whale can dive up to _____ of 1000 meters.
| A．the depth | B．a depth | C．depth | D．deep |