[ Modal and Phrasal Verbs ]
I’ll ….. go now. My friends are waiting.
A. Be able to
B. Have to
C. Need
D. Must

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IELTS Vocabulary › Viewa type of animal or plant that soon may not exist because there are very few now alive
A. wildlife conservation programme
B. endangered species
C. fresh air
D. extinction
Grammar › View
……………………Barbara and Caroline students?
A. Be
B. Is
C. Am
D. Are
Pick up a ___ of soda for the party tonight.
a. head
b. jar
c. bag
d. six-pack
Vocabulary › View
Many people use public transit for daily commute as it’s economical.
A. available
B. mass
C. open