1. It was essential that the applications forms _C_ back before the deadline.
$ g9 f0 a9 s( W, {" k5 Y A must be sent B would be sent C be sent D were sent
. C! a( P2 w' K8 Z It be essential that 后面一定用虚拟语气，且句子谓语动词固定为(should) + 动词原型;
1 ^: c9 G% e/ [% y: ~% m8 ? It was essential that the applications forms send back before the deadline.
/ Y8 _8 B2 I% t' E& [" ]4 M4 t 2. We _D_ our breakfast when an old man came to the door. F8 \7 E J) P
A just have had B have just had C just had D had just had & J( A3 x) I6 R/ T
when 还可以表示①刚。。就… (有动作先后关系)、②恰在此时;
: y2 E( i* {, ^) C% D' Z: A3 v 3. I had just started back for the house to change my clothes _D_ I heard voices. # k9 J* _, I. O8 F1 |* `0 V
A as B while C after D when & q; W3 z4 m2 w0 _% l( F! Z, a
4. I felt somewhat disappointed and was about to leave， _C_ something occurred which attracted my attention. $ R4 b- W# F# u: U* t8 |
A unless B until C when D while
! C; l- t% _& y; {0 d) ` 5. It was essential that these application forms _D_ back as early as possible. % E! Q( i7 U5 [+ S+ }
A must be sent B will be sent C are sent D be sent |
发表于 2012-8-14 00:34:20
