My mother  _______ a bed in the sitting-room for my cousins from the countryside.

A．brought up        B．took up           C．made up          D．put up

If people eat natural plant poisons by mistake, they _______ go to hospital without delay.

A．would            B．can              C．may              D．must

- A lovely day, isn’t it?

-- Yes. I love        when the weather is like this. Why not have our lunch outside?

A．this              B．it                C．one              D．That

---John, why are you so upset?

---I­­­      my cell phone all morning but it is nowhere to be found.

A．am looking for                          B．have looked for

C．have been looking for                    D．had looked for

He found himself       by a crowd of excited people and       to escape.

A．surrounded; trying                      B．surrounding; trying

C．surrounding; tried                       D．surrounded; tried

In hot summer, milk quickly turns sour       it is refrigerated.

A．while             B．if                C．until             D．unless

Sun Yang, a young Chinese swimming talent,       several gold medals before the 2012 London Olympics.

A．won             B．has won           C．had won          D．were to win

We began to open to the outside world in the ate 1970s.        ,  there have been great changes in the country.

A．As a result of       B．As a result         C．First of a11        D．After all

Spelling Bee is a contest       competitors, usually children, are asked to spell as many words as possible.

A．which            B．where            C．what             D．When

Only after Helen moved to Australia ______ how important she was to me .

A．I had realized      B．had I realized       C．I did realize        D．did I realize