Question

【題目】The family with the aim of travelling by plane ________ more than four times what it was several years ago.
A.have increased
B.has increased
C.were increasing
D.was increasing

Answer 1

【答案】B
【解析】句意：坐飛機旅行的家庭比幾年前增加了四倍多。分析句子可知，本句指的是現(xiàn)在的家庭，因此從時態(tài)來說，C與D的時態(tài)是不對的。本句的主語是the family是單數(shù)，根據(jù)主謂一致的原則，謂語動詞要用單三式，因此選B。