[ Vocabulary and Grammar ]
Scientists don´t spend all their time _______research in laboratory
A. doing
B. coming up
C. making
Select your answer:

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Grammar › ViewChoose the suitable word:
Let’s go to London next weekend, shall we/won’t we?
A. shall we
B. won’t we
Future Tenses › View
Use the _____ for events on a timetable or a schedule.
A. be going to
B. simple present
C. present progressive
D. will/won’t
