--Shall we go for a picnic on Saturday or Sunday?
-- ______ is OK. I am free this weekend.
| A．Either | B．Every | C．Both | D．Neither |
British students have________ weeks ________ in the summertime than Chinese students.
| A．fewer, for | B．more, for | C．less, off | D．fewer, off |
workers in the factory over two thousand.
| A．The number of; is | B．The number of; are |
| C．A number of; is | D．A number of; are |
You read his books, and he wants to read your books ____.
| A．in all | B．any more | C．at all | D．as well |
They will build nature reserves _____ protect ______ birds.
| A．to; in danger | B．for; endangered |
| C．to; endangered | D．for; in danger |
The earthquake ____ when I ____ some cleaning.
| A．starts, was doing | B．started, was doing |
| C．was starting, was doing | D．starts, were doing |