—______ are you worried? （ ）
—______ my mum is ill.
—______ my mum is ill.
| A．What, Because | B．Why, So | C．Why, Because |
—Why do you like keeping pets? （ ）
—_____ they are cute.
—_____ they are cute.
| A．Of | B．Because | C．As |
Metals are melted workers can change them into what they need. ( )
| A．so that |
| B．such that |
| C．in order to |
| D．that |
The climate is getting from bad to worse people pollute the environment. ( )
| A．if | B．and | C．because | D．but |
判断题。对的写T,错的写F.
（_____）1. I like our new home why it’s so big.
（_____）2. They lives in a shoe.
（_____）3. I like watching TV in the living room.
（_____）1. I like our new home why it’s so big.
（_____）2. They lives in a shoe.
（_____）3. I like watching TV in the living room.
I’m excited________ we’re going to study lot of new things. ( )
| A．but | B．so | C．because |
—Why are you so sad? ( )
—_______ I don’t have any nice clothes.
—_______ I don’t have any nice clothes.
| A．Because | B．Because of | C．So |
—______ do you like football games? ( )
—______ they are very exciting.
—______ they are very exciting.
| A．What; Because | B．Why; Because | C．Why; And |