“The clouds became dark.” The sentence structure is ________.
| A．S+V+IO+DO | B．S+V+DO+OC | C． S+V+DO | D．S+V+P |
_______ the end of last spring Wang Hai joined the army _______ the end.
| A．At/at | B．By/in | C．In /at | D．At /in |
We will have a football match _____ this Saturday afternoon..
| A．on | B．/ | C．in | D．for |
He came to see you _____ the evening of May 10th.
| A．in | B．at | C．on | D．for |
I’m afraid I gave you a lot of trouble ________ my stay here.
| A．in | B．for | C．during | D．on |
The singing group will have two performances ______ October.
| A．after | B．since | C．/ | D．for |