The life of a high school student is usually active, exciting and full of fun, but it ______ be stressful sometimes.
| A．must | B．can | C．need | D．should |
Bank was the first crops from one continent to another________, helping to develop local economies with these new imports.
| A．move; on a large scale | B．moving; on large scale |
| C．to move; on a large scale | D．moved; on a large scale |
Such an educational program can teach us how to make positive choices when ________with personal conflicts.
| A．faced | B．facing | C．to face | D．having faced |
Fruit and vegetables in areas_________ there is enough water.
| A．grows; that | B．are grow; where | C．growing; that | D．are grown; where |
The Tibetansin the Himalayas for centuries and have adjusted to the conditions at________.
| A．has live; a such great height | B．have live; such a great height |
| C．has lived; a such great height | D．have lived; such a great height |
Once you are , your life will change!
| A．Xperience; truely | B．Xperienced; truly |
| C．Xperiencing; truly | D．Xperienced; truely |