The little boy, out of curiosity, _______ the toy to see how it worked, but couldn’t put it together.
| A．took apart | B．broken down |
| C．burst into | D．knocked off |
Generally speaking, ______ according to the directions, the drug has no side effect.
| A．when taking | B．when taken | C．when to take | D．when to be taken |
My parents live in a small village. They always keep a lot of candles in their house _______ there is a power out.
| A．if | B．unless | C．in case | D．so that |
_______ at the back of the room was a shy girl with two big eyes.
| A．Sat | B．Sit | C．Seating | D．Seated |
It is in this very village, _______ Mary was born 35 years ago, ________ she built her first school, _____ inspires everyone to help her.
| A．that; when ; which | B．where; that; which | C．that; that; that | D．where; when; that |
The boy was observed __________ basketball at eight o’clock yesterday.
| A．playing | B．play | C．to play | D．having played |