1. It was not ____ midnight that they discovered the children were not in their beds.1 ?& j7 A7 C" R1 o
A. beforeB. at C. after D. until+ k( [, d9 a5 z5 T5 \7 W
2. We shall ask for samples ____ and then we can make our decision.3 C9 f8 e# A+ t; B
A. to be sent B. being sentC. to sent D. to have been sent
5 n4 O* v+ x. I/ X 3. I can’t find the recorder in the room. It ___ by somebody.
' r: t" s, V% K4 o4 M) ` A. must have taken B. may have taken C. may have been taken D. should have been taken) w! _* ?; R: X- N0 a
4. We’ll be only too glad to attend your party ______ we can get a baby-sitter.$ e0 P& E* ~- f$ [& C
A. so far as B. provided that C. unlessD. except that
# J$ [3 P. g# C! Z1 v: Y 5. The old gentleman never fails to help ______ is in need of his help.
: j# w2 L1 W# N A. whomB. who C. whoever D. whomever! O! Q( r) v! V3 {/ x
6. ______ under a microscope, a fresh snowflake has a delicate six-pointed shape.
! q7 y2 K, p9 z3 X9 n. x/ `3 ^ A. Seeing B. SeenC. To see D. To be seen7 `) n+ x* k9 x- D x" x
7. “When are you going to visit your uncle in Chicago?”# G3 l: l4 n6 r$ G) _; {- Z
“As soon as ______ our work for tomorrow.”
- ?6 Y$ d, Y: y A. we’re complete B. we’d completeC. we’ll complete D. we complete
6 ^% n' u+ `, M' Z( `2 x 8. Neither John nor I ______ able to persuade Richard’s grandfather to attend the wedding.$ @& a, w& y4 M' F, o" c
A. am B. areC. are to be D. is7 l8 j. v% Q+ N$ q! [+ T1 @) ^6 Z
9. You ought ______ the matter to the manager the day before yesterday.
6 L+ c8 e; a4 N3 {1 \. w, t* w0 n A. to reportB. to have reportedC. to reporting D. have reported3 ]' j9 ^3 I# D9 V6 O' g/ C3 x
10. We look forward to ______ to the opening ceremony.! V0 ~) D; D. q$ v/ C9 ]
A. invite B. be invitedC. having been invited D. being invited |