—Are your parents at home，Jane？
—No．They ________ taking a walk in the park．
| A．do |
| B．are |
| C．will |
| D．have |
-----Jane has never been to such a beautiful country..
-----________________.
A. so have I B. Neither have I C. Neither do I
_________ of the population in this area __________ farmers.
A. Two thirds ,are B. Two thirds, is C. Two third, is
----How long _________ she _______ this book ?
----She _________it from the library two weeks ago.
A. has, kept; borrowed B. has, kept; lent C. has, borrowed; borrowed
Nothing can be done _______ he returns.
| A．as | B．before | C．while | D．until |
We must ________ourselves _______our work.
| A．strict in; with | B．be strict with; with | C．be strict with; in | D．strict with; in |