The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.
| A．rarity | B．scarcity | C．invalidity | D．variety |
– Do you know where Mary is?
--- She has gone away ____ the weekend.
| A．at | B．on | C．during | D．for |
_____ the office work, he came to the sitting room and relaxed a while.
| A．Finishing | B．Being finished | C．Having finished | D．Finished |
Meeting _________, managers left the room one by one.
| A．finishing | B．being finished | C．having finished | D．finished |
_______ in the Kooris for years, I decided to learn their langyage.
| A．Being interested | B．interesting |
| C．Having interested | D．To be interested |
.From the classroom window we saw a huge snake _____ the yard.
| A．crossing | B．cross | C．across | D．having crossed |