My cousin hasn't decided___ this weekend．（ ）
| A． |
how will he go to Shanghai |
| B． |
how he will go to Shanghai |
| C． |
how has he gone to Shanghai |
| D． |
how he has gone to Shanghai |
Tina， is your father a teacher？
Yes， he is． He ___________ English for nearly 20 years．（ ）
A．is teachingB．teach
C．has taught
Aizhai Great Bridge ___________ in March 2012 and it is one of the highest bridges in Asia．（ ）
A．was builtB．builtC．is built
Please ___________ the rubbish into different litter bins according to the signs．（ ）
A．putsB．putC．to put
The world is changing with every minute， and China___________ with every minute，too．（ ）
A．is changingB．had changed
C．changed
___________ does your mother go to the supermarket？
Once a week．（ ）
A．How oftenB．How longC．How far