5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 117

________ the salary meets my expectations, I will accept the job offer.

To power their inventions, people have made use of natural energy sources, ________ coal, oil, water, and steam.

_________ excellent art museums, Moscow has a world-famous ballet company.

It is still a good idea to know how to type, ________ the many technological advances in typewriters and word processors, a skilled operator remains indispensable.

Even though a duck may live on water, it stays dry__________ the oil on its feathers. The oil prevents the water from soaking through the feathers and reaching its skin.

Alex cannot express himself clearly and correctly in writing. He will never advance in his job______ he improves his language skills.

_______ there was no electricity, I was able to read because I had a candle.

A fire must have a readily available supply of oxygen_______, it will stop burning

I studied Spanish for your years in high school _____, I had trouble taking with people when I was traveling in Spain.

I'm sorry you've decided not to go with us on the river trip, but _______ you change your mind, there will still be enough room on the boat for you.

I like to keep the windows open at night no matter how cold it gets. My wife, _______ prefers a warm bedroom with all windows tightly shut.

Some fish can survive only in salt water, ______ other species can live only in fresh water.

______ Jason became famous, he has ignored his old friends. He shouldn't do that.

We're going to lose this game________ the team doesn't start playing better soon.

My two children are cooking dinner for the family for the first time tonight ________ the food is terrible, I'm going to enjoy this meal very much. It will be fun to have them cook for me a change.

Jack insisted that he didn't need any help, _______ I helped him anyway.

Florida is famous for its tourist attractions. Its coastline offers excellent white sand beaches_________ it has warm, sunny weather.

The flowers will soon start to bloom_______ winter is gone and the weather is beginning to get warmer.

Only if you promise to study hard_________ to tutor you.

Camels have either one hump or two humps, the Arabian camel has one hump.