英语.1、They decided ___(help) me with my lessons.2、He is afraid of___（go）out at night.3、___you___（watch）the video film last night.4、Mike ____（join）my group a few weeks ago.填写介词.1、It takes about three days to travel ___ Farth ____the moon____spaceship .2、Fish sleep ___their eyes open.3、He can dance and sing __the same time4、There is no smoke ___fire

1.to help(句型：sb decide to do sth某人决定做某事) 2.going(句型 be afraid of doing sth害怕做某事) 3.Did(last night决定助动词用其过去形式）、watch 4.joined(过去时标志词之一：ago)
介词填空：1.from.to.by(from…to…从…到…，by表乘…) 2.with(with表伴随方式) 3.at(at the same time表同时 固定搭配，其中the必须在哦 ) 4.without（第四句为习语，表示无风不起浪；无火不生烟。）

1. to help
2. going
3. watched
4. joined

1.to help,2.going,3.Did watch,4.joined.
1.from to by; 2.with; 3.at; 4.without.
基本是这样.请参考.