The study of natural history is not something to be left to biologists. In fact, their capacity _____ the time they can spend away from their offices is very limited.
| A．in search of | B．in face of | C．in favour of | D．in terms of |
—— He hasn’t gone to the office up to now.
—— Well, he ＿＿＿＿＿.
| A．should | B．ought to | C．ought to go | D．ought to have |
—— Have you watered the flowers?
—— No, but ＿＿＿＿＿.
| A．I am | B．I’m going | C．I’m just going to | D．I will go |
Mr. Black, ＿＿＿＿＿ born in Kentucky, lived and practiced law in Missouri.
| A．was | B．he was | C．although | D．who he was |
All substances, ＿＿＿＿＿ solids, liquids, or gases, are made up of entirely atoms.
| A．whether they | B．whether | C．whether are they | D．whether are |
—— How about the number of students playing on the playground?
—— ＿＿＿＿＿.
| A．Small | B．Many | C．Little | D．Most |