If you try to learn too many things at a time, you may get _____________ .
| A．surrounded | B．settled | C．confused | D．amused |
The students in our school are encouraged to involve themselves in group activities，whether in or after class，______ they can develop their team spirit.
| A．when | B．which | C．that | D．where |
His brother , who____ in the army for five years，is now running a farm in our village
| A．serves | B．served |
| C．had served | D．has served |
The Ministry of Public Security has recently started a nationwide ____speeding，overloading and running red lights.
| A．celebration | B．conference |
| C．campaign | D．ceremony |
A selfie stick is_____ enables users to position their smartphones to get better photo angles
| A．that | B．how | C．what | D．who |
He brought me a few magazines but，to my disappointment，___was to my taste.
| A．nothing | B．no one | C．neither | D．none |