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It will make ______big difference if this experiment becomes ______ success.

A．a(chǎn); a              B．a(chǎn); the             C．/; /              D．a(chǎn); /

Mother wanted to be a good provider, a role she ______ since her marriage to Father.

A．shoulders                             B．shouldered

C．is shouldering                          D．has been shouldering

______ sweet and good, the birthday cake was soon eaten up by those children.

A．To taste           B．Tasting            C．Tasted            D．Having tasted

 —I’m ______the suggestion. How about you?

—Hard to say. I'll have to think it over.

A．in memory of      B．in demand of       C．in favor of         D．in terms of

Your suggestion on how to improve English writing ability is too general. Could you make it more _______?

A．special           B．particular          C．specific           D．positive

In order to be a good teacher, you have to ______ your imaginations and life experience.

A．draw up          B．draw in           C．draw upon         D．draw for

—Where are the children? The dinner’s going to be completely ruined.

—I wish they ________ always late.

A．weren’t                             B．hadn’t been

C．wouldn’t be                          D．wouldn’t have been

When was it            you met him in the library?

A．a(chǎn)s               B．that              C．while             D．if.

The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.

A．should            B．could             C．needn’t         D．mustn’t

The situation at Omaha Beach was so bad _______ the soldiers succeeded in landing on the beach with a lot of people losing their lives.

A．that              B．enough           C．once             D．when