[ Modal Verbs ]
When we arrived at the gate, we ______ show our passports.
A. must
B. had got to
C. had to

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Grammar › ViewThey are _____ some fascinating research on the language of dolphins.
A. carrying on
B. carrying out
C. finding out
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“What did Jack say to you?”
‘ He asked _____________ Asia on my trip.’
A. if I was going to visit
B. whether am I going to visit
C. am I going to visit
D. was I going to visit
Grammar › ViewMuch of that Styrofoam _(end/ends)_ up polluting the oceans and killing sea turtles.
A. end
B. ends
Grammar and Vocabulary › View
The match went ahead ________ the rain.
A. in case of
B. in spite of
C. even though