The students were all standing by the swimming pool, _______ swimming suit.
| A．all of them worn | B．all were wearing | C．all of whom wearing | D．all wearing |
Jack’s___ brother is __ than him.
| A．old; elder | B．elder; older | C．old; eld | D．elder; younger |
He works in a factory now, but he__ on a farm for 20 years.
| A．worked | B．has worked | C．had worked | D．had been working |
They dug _____,then put the box in it.
| A．a three feet deep hole | B．a hole of three feet |
| C．a three feet deep hole | D．a hole of three feet deep |
Glad to see you back. How long __ in Russia?
| A．did you stay | B．have you stayed | C．were you staying | D．have you been staying |
They lived a ____ life in the countryside.
| A．quiet | B．still | C．silent | D．calm |