Question

While you _________ your trip, I was busy ________ for my exams.
A. enjoyed, preparing       B. were enjoying, preparing   
C. were enjoying, to prepare

Answer 1

B

當(dāng)你享受旅行時(shí)，我正忙于準(zhǔn)備考試。While當(dāng)。。。時(shí)，謂語通常用進(jìn)行時(shí)態(tài)；而be busy doing sth忙于做某事。所以選B。