【单选题】
You cant imagine what great trouble they have________the problem________.
①
to solve;being talked about
④
solving;being discussed
【单选题】
When I saw Mary , she _______on the piano.
【单选题】
“When _______school begin ?” “Next Monday.”
【单选题】
This box is______that one.
【单选题】
Your coat needs to be washed,________it?
【单选题】
It may only be through repeated experiments _______ a baby will come to accept the idea _______ other people can have different views from what he or she has.
【单选题】
This technology has been ?around for a long time, but not until recent years _______ it in marketing.
③
businesses had employed?
④
had businesses employed
【单选题】
And there,almost________in the big chair,sat her little brother,who never had to be told to keep quiet.
【单选题】
Neither of them________the snake.
【单选题】
Ourclassroomis ______ largerthantheirs.