Robert arrived without his book. He  ...............    it.

The mosquito has needle-shaped mouthparts that piercing skin to suck blood.

Depending on many factors, including climate,neral content of the soil, and permanency of surface water, wetlands may be mossy, grassy, or covering with shrubs.

To raise livestock successfully , farmers must selecting cattle for breeding and apply a diet regimen.

The attribution human characteristics to animals or inanimate objects appears in the mythologies of many cultures is a literacy device called thropomorphism

A mainframe computer is large and usually used to operate a network of another computers

Upon reaching the destination, a number of personnel is expected to change reservations and proceed to Hawaii

What a lovely baby! He certainly …………. his father, doesn’t he? 

Protecting Florida’s coral reefs is difficult because of the corals are very fragile even the touch of a diver’s hand can kill it .

The teacher’s explanation was so …………. that very few students understood it. 

Mary: "I had a really good time. Thank for the lovely party" 

Jane: "    __________" 

We are not allowed to enter this construction site. A block of flats is being buil here and it is dangerous to walk because you may get hurt by a fallen r some other objects.

Living in New York, apartments cost more to rent than they do other smaller cities.

Many people have stopped to smoke because they afraid that it may be harmful to their health.

Although the Red Cross accepts blood from most donors, the nurse will not let to give blood if you have just had a cold .

The results of our marketing survey show that there will be quite demand for electric cars the ahead years.

Every student must make up their own study list of the classes he is going to take at the beginning of quarter.

Anyone interested in the use of computers can learn much  if you have access personal computer.

Friends advise her to stop doing housework because her old age.

When I came back , I realized that the camera had been disappeared

Our house has been redecorated last week. You can still smell paint when you enter and the wallpaper has striking contrast with the floor