_________ he is, he has a wide range of knowledge.
| A．Although a child | B．While child |
| C．Child as | D．A child as |
---What do you enjoy most in life?
---____________ time _________ books. It’s really good fun.
| A．Spend; read | B．Spending; to read | C．To spend; to read | D．Spending; reading |
____________the heavy snow in America, many people had to stay at the airport and couldn’t celebrate Cristmas with their family.
| A．Because | B．Thanks to | C．As a result of | D．As a result |
Although he is only 14 years old, he __________drugs for two years.
| A．addicts | B．has addicted to | C．has addicted | D．has been addicted to. |
The children were not allowed ________ the house because it was being painted .
| A．entering | B．to enter | C．entered | D．enters |
We had to wait one and half hours _________ we had already booked a table.
A. since B. although C. until before