A big brown bear jumped out ________ the young man was walking in the forest.

• since

• because

• after

• while

Taiwanese umbrellas can be seen all over the world because they are high-________.

• quality

• product

• error

• role

Try on this new pair of ________, and you can see better than before.

• shoes

• strings

• chopsticks

• glasses

There are too many grammar（文法）________ in your homework. Please do it again.

• files

• rules

• errors

• showers

The ________ wasn’t so busy this morning, so we got through the city easily.

• glass

• mistake

• balcony

• traffic

The Taiwanese dialect（方言）is ________ spoken in this village, and it’s unusual to hear other languages.

• widely

• slowly

• finally

• carefully

You can’t use any ________ devices when taking a test.

• electronic

• thick

• safe

• medium

________ are used in not only computers but also in smartphones.

• Glasses

• Strings

• Errors

• Microchips

Because of the bad weather, we ________ not to go camping.

• crashed

• decided

• entered

• repeat

While I was playing the guitar, one of the ________ broke.

• errors

• glasses

• strings

• files