Đáp án đúng là: was
Eat (3) _______ of fruits and vegetables, whole grains, a variety of protein foods, and low-fat dairy products.
Even if you are shy and find it (40)_______ to make new contacts, you’ll have a chance to develop and practice your relationship skills.
Thousands of artists from many places all over the world come to Hue and (47) _______ about 200 shows in as many as 40 venues throughout the city.