When do we use first conditional?
A. Imaginary situations
B. Probable future situations
C. Situations in the past connected to the present
D. When something happens first

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Vocabulary and Grammar › View. The author believes that the space program
A. costs too much money.
B. does many good things.
C. can be entertaining and exciting.
D. helps friendships within our country.
Grammar › View
We use __________ to compare two people, places, or things. Use __________ tocompare more than two people, places, or things.
A. worst, worse
B. worse, worst
C. worse, bad
Grammar › ViewHe didn’t get a driving lesson ……………… he is too young.
A. Because
B. Or
C. From
D. And
Modal Verbs › View
What is the correct way to express obligation with ‘have to’ in the following sentence: ‘She ___________ study for her exam tomorrow’?
A. must to
B. need to
C. has to
D. have
