It’s easy to make friends, but it’s difficult to keep the ________ longer.
| A．days | B．friendship |
| C．classmates | D．life |
Now there are already robots _________ in factories.
| A．working | B．to work | C．work | D．worked |
Everyone except Tom and John ________ there when the class began.
| A．are | B． is | C． were | D． was |
Mr. Chang has ________ money but ________ friends than Mr. Chan.
| A．more; more | B．less; less | C．more; fewer | D．fewer; more |
Who broke the door? Let’s__________.
| A．look it out | B．find it out | C．take out it | D．keep out it. |
My mother wants me ________milk every day.
| A．drink | B．drinks | C．drinking | D．to drink. |