__________ the dish tastes delicious, he doesn’t eat.
A. Although B. If C. When D. Because
I have singing lessons _________ a week, on Friday and Saturday.
A. once B. twice C. three times D. four times
Please be quiet！I'm reading some short stories________Lu Xun.
A. by B. over C. in D. at
Dale is studying in________university and he wants to be________engineer.
A．a，a B．a，an C．an，a D．an，an
Mrs. Green promised____all she can to help us.
A．knowing B．to know C．doing D．to do
World Cup host Brazil would like to help China________China's soccer.
A．improve B．send C．question D．discuss
