【題目】Since then the number of people taking driving Lessons 20%.
A.has increased toB.have increased to
C.has increased byD.have increased by
考查時態、主謂一致和固定短語。句意：從那時起，上駕駛課程的人數增加了20%。根據“ since then”可知，本句為現在完成時，主語為the number of people，謂語動詞為單數形式。increase to “增加到”，increase by“增加了”，再結合句意。故選C項。
【題目】Many strange new means of transport have been developed in our century, the strangest of ________ is the hovercraft.
【題目】What does the man want to express?
A.He knows the woman well.
B.He won’t listen to the woman.
C.The woman mistook him for someone else.
【題目】Though sometimes he makes mistakes, we can’t doubt his loyalty _______ the company.
【題目】In the darkness we felt our way forward, trying to cross the stream _______ it was shallowest.
【題目】Britain’s Prince Harry and his wife Meghan announced that they had broken away from the royal family, _______ hit the headlines around the world immediately.