阿摩線上測驗
2 Many countries closed their______ to flights from the UK due to a new variant of the disease
COVID-19 that had been spreading in London and the southeast of England.
(A) booths
(B) bombs
(C) borders
(D) bonds
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統計： A(2), B(5), C(81), D(3), E(0) #2654248
統計： A(2), B(5), C(81), D(3), E(0) #2654248
