`46` Because the traffic was bad , we arrived late

`47` Because his foot was injured , he couldn't play in the games

`48` So suspicious did he become that he didn't believe in whatever his wife had said to him 

`49` We find it neccessary to display good in the shop window

`50` He made up his mind to go to the concert because he is interseted in music

`51`  I don't cook as well as my mother

`52` I would rather you delivered the sofa on Saturday

`53` I suggest collecting empty bottles and cans

`54` Since they use energy-saving bulbs , the electricity bill doesn't cost much

`55` If we don't water these flowers , they'll die

`56` You didn’t remember to turn off the radio, did you?

`57` Everyday people cut down thousands of trees in the world

`58` The teacher asked me if I had done my homework

`59` It was such a difficult exercise that all students couldn't do it

`-` CT :

Because + S + V ( mệnh đề )

So + adj/adv + S + V

It necessary + to V

Make up my/her/his/.... mind + to V

As + adj/adv + as

S + would rather + sb + V2/V-ed

S + suggest + V-ing

Since + S + V 

Câu đk loại 1 : If + S + V-htại , S + will/can/... + V-inf

Remember + to V

S + asked + sb + if/whether + S + V-lùi thì

S + tobe + such + adj + N + that + S + V

$baoyen.$