The scientist________ the behavior of the mice after they were given the drug.
| A.looked |
| B.observed |
| C.noticed |
| D.watched |
I looked under____bed and found____book I lost last week.
| A.the; a | B.the; the | C.不填;the | D.the; 不填 |
The practice of hanging clothes across the street is a common ___ in many parts of the city.
| A.look | B.sign | C.sight | D.appearance |
Theboxofrubbers____white.
| A.is | B.are | C.be | D.were |
Noneofthatmoneyonthetable____mine.
| A.is | B.are | C.been | D.were |
Ithinkmaths____veryinteresting.
| A.are | B.is | C.sound | D.seem |