The little girl felt sad ________ her pet dog died.
A. why B. because of C. because
By the time I got to the bus stop, the bus .
| A．leave | B．left |
| C．has left | D．had left |
Neither my friends nor I to the costume party last week.
| A．invite | B．invited |
| C．was invited | D．were invited |
Exciting movies make him .
| A．relax | B．relaxing |
| C．to relax | D．relaxes |
Many students would rather than take buses to school.
| A．to ride bikes | B．ride bikes |
| C．riding bikes | D．rode bikes |
Gradually, she gets used to with chopsticks.
| A．eat | B．eating | C．ate | D．eaten |