My suggestion is that he _________to see a doctor at once.
| A．goes | B．go | C．will | D．is going |
In fact, ＿＿＿is a hard job for the police to keep order in an important football match.
| A．this | B．that | C．there | D．it |
Someone is ringing the doorbell. Go and see ＿＿＿＿＿＿.
| A．who is he | B．who he is | C．who is it | D．who it is |
The boy became fatter and fatter each day and ＿＿＿made his parents sad.
| A．which | B．what | C．he | D．it |
I＿＿＿＿＿＿＿＿you a beautiful present for your birthday,but I was short of money at that time.
| A．would buy | B．had bought | C．would like to have bought | D．must have bought |
—— Where ＿＿＿＿＿＿＿＿?
—— I got stuck in the heavy traffic, or I＿＿＿＿＿here earlier.
| A．did you go； had arrived | B．are you； would come |
| C．were you; would come | D．have you been； would have been |