The judges _________ an important role in the competition.

• work

• play

• rest

• put

Our music teacher has been invited to be a ________ in many music competitions and talent shows.

• singer

• competitor

• judge

• contestant

We_______ old clothes and books to poor children.

• interacted

• donated

• balanced

• applied

The school is difficult to get to because it is located in a ________ area.

• remote

• cheerful

• confused

• practical

Samsung Galaxy Tab ________ flash player as well as voice and video calls.

• supports

• offers

• displays

• provides

It is convenient for you to read ____ when you travel.

• e-books

• laptops

• online game

• smartphones

He lost the key, _______ he couldn't get into the house.

• yet

• or

• so

• for

My parents decided _______ a taxi because it was late.

• take

• to take

• taking

• took

I ______ near the fence when suddenly I ______ the voices.

• stood - heard

• stood - was hearing

• was standing - heard

• was standing - was hearing

While Lan _______ as a volunteer in the countryside, she met an old friend.

• was working

• worked

• had worked

• worked