The _____, I think, he drew from his simple experiment is not scientific.
| A．conclusion | B．charge | C．promise | D．relation |
No one was permitted ______ the empty house without his permission.
| A．entering | B．to enter | C．entering into | D．to enter into |
---- What did your parents think about your decision?
----They always let me doI think I should.
| A．when | B．that | C．how | D．what |
The weather turned out to be fine yesterday. Ithe trouble to carry my umbrella with me.
A should have taken B could have taken C needn’t have taken D mustn’t have taken
----David hasn’t come yet.
----I think he will soon, for he means what he says.
| A．turn on | B．turn off | C．turn down | D．turn up |
Michaelbe a policeman, for he is much too short.
A. needn’t B. can’t C should D. may