The school has developed an online system students can choose their own teachers.
| A．which | B．that | C．whom | D．where |
The higher the birds flew, _______ we could see them.
| A．less clearly | B．the less clearly |
| C．more clear | D．more clearly |
______ went to see the film yesterday.
| A．Every of them | B．Both they | C．Nobody of them | D．Not all of them |
After school was over the boys ________ their books and went home.
| A．put in | B．put aside | C．put away | D．put up |
Remember to______ a stamp on the envelope before you post it.
| A．put | B．place | C．strike | D．stick |
The nurse gave ________ the sweets to the children.
| A．up | B．off | C．out | D．in |