1 . Advances ________ in medicine and environment so far, thanks to increasing computer power. In addition, new products in virtual reality and wearable tech ________ to the market more and more quickly.

A．have made; have been brought	B．have been made; are being brought
C．were made; are being brought	D．are being made; have been brought

2 . Currently, nine men ______ (question) by police in connection with the shocking attack and we will follow closely the progress of the case. （所给词的适当形式填空）

3 . Look! I’m currently in the Louvre. What ______ to you is Mona Lisa by Da Vinci.

A．is presented	B．has presented
C．is being presented	D．has been presenter

4 . You can’t use the machine today because some parts________ this week.

A．are replaced	B．are being replaced
C．have replaced	D．are replacing

5 . 单句改错
1. Smartphones are being using by more and more teenagers.
2. I am not surprised when I heard the good news.
3. You may want to visit Hangzhou,that is famous for its natural beauty and history.
4. These days we are exciting about the coming basketball matches.
5. If you come across difficulties,you can turn to your teachers for some advices.
6. Unfortunate,he fell off his bike and broke his leg.
7. Nowadays,the earth is becoming hot and hotter.
8. I taught me Englsih when I was young.
9. I’m fond on playing basketball in my free time.
10. We heard a trememdous explosion all of the sudden.

6 . E-mail English is a new kind of written English that ________to save time.

A．be being used	B．was being used
C．being used	D．is being used