Câu hỏi:

My uncle _______ a visit to Germany in 2005

Two months ago my brother _______ elected headmaster of his school and he _______ a vacation since then

Our principal _______ to Thailand several times

Yesterday morning my mother _____ me a new bicycle as my old one ______ stolen

“Did anyone see the thief?”-“No, he already ______ away by the time we _____ in.”

Yesterday afternoon while my mother _______ for the taxi, the shower _______

People reported that before help ____ them, a small child ______ of infantile paralysis

“I _______ you at 9 tomorrow morning. Will that be OK?”

-“At 9? No, I _______ shopping with my mother.”

My brother sometimes asked himself what ___ to the trees if spring didn’t come at last

Read the passage below carefully, and then choose the best answer

MANY KINDS OF MICROBES

There are thousands of different kinds of microbes. Microbes called (1) _______ are the smallest living things. Bacteria live almost everywhere: on land, in water, and even (2) _______ you.

Some microscopic life forms are like plants. Tiny diatoms are microbes that live in lakes and the ocean. Diatoms soak up (3) _______ and use its energy to make food, just like plants.

Some microscopic life forms are more (4) _______ animals. Protozoa such as the amoeba and paramecium are animal-like microorganisms. An amoeba can move (5) _______ changing the shape of its body. It sticks out a pseudo pod, or false foot. A paramecium is (6) _______ with tiny hairs. It waves its hairs rapidly to swim.

Viruses are (7) _______ kind of microbe. Viruses sometimes act like living things and other times act like nonliving things. Viruses sometimes live in the cells of plants and animals. (8) _______ a cell, a virus reproduces like a living thing. The virus uses the cell to make many copies of itself. Viruses are (9) _______ small to see with an ordinary microscope. You need a powerful electron microscope to see a virus. Outside of a plant or animal cell, a (10) _______ is like a nonliving thing.

Question 1: