The subjects we have at school _____biology.
| A．including | B．include | C．included | D．to include |
China’s success in manned-space-craft travel shows _________ out country has become one of the greatest powers in space research.
| A．what | B．which | C．不填 | D．it that |
_________ you have seen both fighters，_________ will win？
| A．Since； do you think who | B．As； who you think |
| C．When； whoever | D．Since； who do you think |
It was a matter of _________ would take the position.
| A．who | B．whoever | C．whom | D．whomever |
— Do you remember _________ he came？
— Yes. I do，he came by car.
| A．how | B．when | C．that | D．if |
— I drove to Zhuhai for the air show last week.
— Is that _________ you had a few days off？
| A．why | B．when | C．that | D．where |