It is usually cool in April in Chongqing, but it sometimes ______ be rather hot for a few days.
| A．can | B．must | C．shall | D．ought to |
_____________grades you get in this exam, you should never lose heart.
| A．No matter how | B．What | C．No matter what | D．Which |
There are lots of problems in your hometown, but we're happy to see many of them___________.
| A．are solving | B．are solved | C．have solved | D．are being solved |
Everyone is different and that is ________ makes our world so much better.
| A．that | B．which | C．what | D．who |
The rich shouldn't________their wealth. Instead, they should contribute more money to the poor.
| A．show off | B．show up | C．bring in | D．give off |
Try to be independent, for your parents can't do__________for you all your life.
| A．something | B．nothing | C．everything | D．anything |