The company had about 20 notebook computers but only one-third ___________ used regularly. Now we have 60 working all day long.
| A．is | B．are | C．was | D．were |
Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
Holmes and Watson spent the night ___in the lady’s room .
| A．being locked | B．locking | C．locked | D．lock |
This kind of software for English study _____ a lot of students who are weak in oral English.
| A． leads to | B． appeal against | C． contributes to | D． appeals to |
This kind of software for English study _____ a lot of students who are weak in oral English.
| A． leads to | B． appeals against | C． contributes to | D． appeals to |
Human life is everywhere a ______ in which much is to be endured and little
to be enjoyed.
| A．case | B．condition | C．position | D．state |