I don't know ________ they have passed the exam．

A．what

B．if

C．when

D．where

Simon said the moon ________ round the earth．

A．travelled

B．has travelled

C．travels

D．had travelled

She asked Linda if ________ go and get some．

A．could she

B．she could

C．she can

D．she may

The students want to know whether they ________ an English exam today．

A．had

B．has

C．will have

D．are

Catherine said that she ________ to Guangzhou．

A．has never gone

B．had never gone

C．has never been

D．had never been

The girls asked if they ________ some food and drink with them．

A．would take

B．take

C．takes

D．will take