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31: Be careful! The baby (put) those keys in his mouth!

A. is puting                  B. put                                      C. puts                                     D. Is putting

32: When (Barack Obama / become) president of the USA?

A. did B.Obama become     B. has B.Obama become     C. B.Obama became    D. Does B.Obama become

33: My students (not listen) when I gave the instructions.

A. were not listening               B. didn't listen C. was not listening                 D. Doesn't listen

34: Gonzalo is thirsty! I (get) him a glass of water!

A. get                          B. will get                                C. am getting                           D. Got

35: If it (not rain) we'd lie on the beach.

A. does not rain           B. will not rain                        C. didn't rain                            D. Hasn't rained

36: It's my birthday next week- Don't worry! I (not forget) it.

A. won't forget            B. will forget                           C. am not forgeting                 D. Don't forget

37: I think it (rain) this afternoon.

A. is raining                 B. rains                                    C. is going to rain                    D. Rain

38: John (speak) to Susan a minute ago.

A. speak                      B. spoke                                  C. is speaking                          D. Did speak

39: If you ask him nicely, he (help) you.

A. will help                 B. helps                                   C. would help                          D. Would have helped

40: Would you like a coffee? No, thanks. I (already / have) four cups today.

A. already had             B. already have had                 C. have already had                 D. Already have