I didn’t think he actually got what I said he said that he had understood it completely.
| A．unless | B．since | C．until | D．although |
-----Alice, you clean the blackboard today, _________?
----- But I cleaned it yesterday.
| A．won’t you | B．will you | C．didn’t you | D．don’t you |
---- Why is the cake so expensive?
---- Maybe you don’t know a cake made of wheat costs less than _____ made of rice.
| A．one | B．that | C．the one | D．another |
I _____ sooner but I didn’t know that they were waiting for me .
| A．had come | B．was coming | C．would come | D．would have come |
Experiments of this kind ___in both the U．S and Europe well before the Second World War
| A．had conducted | B．have conducted |
| C．have been conducted | D． had been conducted |
The situation forced my mother and I exchanged our roles as child and caretaker, making me grow up much faster than the _____ child.
| A．average | B．ordinary | C．common | D．usual |