[ Perfect Modals ]
Which perfect modal indicates a logical conclusion about a past event?
A. May have
B. Could have
C. Should have
D. Must have

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Conditional Sentences › ViewIf I _____, I would express my feelings to her.
A. were you
B. would be you
C. was you
D. am you
Grammar › View
Ruby works in the restaurant. When the guests left, she _____ the floor right away(立刻).
A. sweeps
B. swept
C. sweeping
D. is sweeping
Would rather/ would prefer/ would like › ViewLoris …………. swimming to jogging in the park.
A. prefers
B. prefer
C. prefering
D. would
Grammar › View
Choose the correct plural noun for tomato.
A. tomatos
B. tomatoes
C. tomatoe
D. tomateos
