问题

Mr. White asked his students________ to meet some Chinese friends from Shanghai.

A:if were they pleased
B:if they are pleased
C:if are they pleased
D:if they were pleased

正确答案是：

同类题型

1—-You’re coughing badly.Have you gone to see a doctor? —No,but I .

Sweet wormwood(青蒿) is a common plant in China. Tu Youyou is the woman______uses the plant’s special power to save millions of lives.

Telecom aims to ______ standard operating systems, databases and network products to its 100,000 computers here. [ ]

________the training of the FDS company，JacksonSharoffwasofferedanimportantpositionin management.[ ]

What can I do for you, sir? — I’d like to see the manager _____ of sales department[ ]