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Simple present or present continuous
Complete the following sentences using appropriate simple present or present continuous form.
1. Planting trees is a very good idea because trees …………………….. oxygen.
a) produce
b) are producing
c) Either could be used here
2. He ………………… to spend time with his children.
a) likes
b) is liking
c) Either could be used here
3. Students should always try to improve their grades because universities …………………….. those with bad grades.
a) are not accepting
b) do not accept
c) Either could be used here
4. Clouds …………………….. from evaporated water.
a) form
b) are forming
5. My sister …………………….. at a municipal school.
a) teach
b) teaches
c) is teaching
6. Volcanoes ……………………. hot lava into the air when they ……………………..
a) are shooting, are erupting
b) shoot, are erupting
c) shoot, erupt
c) are shooting, erupt
7. ……………………. how to ride a bicycle?
a) Are you knowing
b) Do you know