Mr．Weller ________ last month and he now lives at his ease．

retire

tired

retired

tiring

It remains to be seen whether plastic ________ are good to the students though they are popular in big cities．

tractors

tracklayers

trackers

tracks

Liu Xiang is a best athlete who took an active part in ________ as a child．

athletic

athletic sport

athlete’s foot

athletics

It was ________ back home after the experiment．

not until midnight did he go

until midnight that he didn’t go

not until midnight that he went

until midnight when he didn’t go

It was with great joy ________ he received the news that his lost daughter had been found．

because

which

since

that

The picture ________ memories of his childhood．

revived

united

abolished

wandered

The rumor had its ________ in an impulsive remark．

era

origin

carnival

empire

The headmaster ________ our holiday by four days．

marked

lasted

wondered

extended

Although they argued for two hours ________, no decision was reached．

at the end

on end

in the end

no end

When I came into the room, he pretended ________ asleep．

being

be

to be

/