Healthy food and exercise help ________to study better.
A. us B. we C. our
Tina went into the kitchenher mother make dumplings.
| A．help | B．helped | C．helping | D．to help |
My friend and I aregood at biology. But we don't like geography very much.
| A．all | B．both | C．either | D．neither |
You will be able to meet the famous writer if youto the book store tomorrow.
| A．go | B．went | C．will go | D．are going |
World Water Day is on March 22 every year. Which of the following is the symbol of it?
-Is that a boy or a girl? .
, I think.
| A．Yes, it is | B．No, it isn't | C．That's nice | D．That's a girl |