It takes time to build ______ when you are learning a difficult skill.
| A．confidence | B．strength | C．energy | D．belief |
The medicine _____ natural plants.
| A．is made of | B．is made from |
| C．is made in | D．is made into |
----- I’m going to the States.
----- How long ______ you ______ in the States?
| A．are; stayed | B．are; staying |
| C．have; stayed | D．did; stay |
I don’t think _____ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |
----- My father will be here tomorrow.
----- Oh, I thought that he _____ today.
| A．was coming | B．is coming | C．will come | D．comes |
She likes playing _____ guitar while her brother is fond of playing _____ football.
| A．the; the | B．the; a | C．/; the | D．the; / |